Home / 976,998.67-1,346,574.87-649,726.76

Finding the Fourth Proportional to 976,998.67, 1,346,574.87 and 649,726.76

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Solution

The fourth proportional to 976,998.67, 1,346,574.87 and 649,726.76 is: 895,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,998.67 : 1,346,574.87 = 649,726.76 : x
  2. Step 2: Convert to fraction form
    976,998.67/1,346,574.87 = 649,726.76/x
  3. Step 3: Cross multiply
    976,998.67x = 1,346,574.87 × 649,726.76
  4. Step 4: Simplify right side
    976,998.67x = 874,905,724,133.89
  5. Step 5: Solve for x
    x = 874,905,724,133.89/976,998.67
  6. Step 6: Final answer
    x = 895,503.50

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Double scale
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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.