Home / 845,246.40-1,267,869.60-491,171.10

Finding the Fourth Proportional to 845,246.40, 1,267,869.60 and 491,171.10

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Solution

The fourth proportional to 845,246.40, 1,267,869.60 and 491,171.10 is: 736,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,246.40 : 1,267,869.60 = 491,171.10 : x
  2. Step 2: Convert to fraction form
    845,246.40/1,267,869.60 = 491,171.10/x
  3. Step 3: Cross multiply
    845,246.40x = 1,267,869.60 × 491,171.10
  4. Step 4: Simplify right side
    845,246.40x = 622,740,906,088.56
  5. Step 5: Solve for x
    x = 622,740,906,088.56/845,246.40
  6. Step 6: Final answer
    x = 736,756.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.