Home / 976,013.10-1,346,706.63-613,226.76

Finding the Fourth Proportional to 976,013.10, 1,346,706.63 and 613,226.76

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Solution

The fourth proportional to 976,013.10, 1,346,706.63 and 613,226.76 is: 846,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,013.10 : 1,346,706.63 = 613,226.76 : x
  2. Step 2: Convert to fraction form
    976,013.10/1,346,706.63 = 613,226.76/x
  3. Step 3: Cross multiply
    976,013.10x = 1,346,706.63 × 613,226.76
  4. Step 4: Simplify right side
    976,013.10x = 825,836,543,385.42
  5. Step 5: Solve for x
    x = 825,836,543,385.42/976,013.10
  6. Step 6: Final answer
    x = 846,132.64

Related Problems

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Half scale
Find fourth proportional to 1,952,026.20, 2,693,413.26 and 1,226,453.52
Double scale
Find fourth proportional to 976,014.10, 1,346,708.01 and 613,227.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.