Home / 766,229.28-1,057,395.24-426,777.72

Finding the Fourth Proportional to 766,229.28, 1,057,395.24 and 426,777.72

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Solution

The fourth proportional to 766,229.28, 1,057,395.24 and 426,777.72 is: 588,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,229.28 : 1,057,395.24 = 426,777.72 : x
  2. Step 2: Convert to fraction form
    766,229.28/1,057,395.24 = 426,777.72/x
  3. Step 3: Cross multiply
    766,229.28x = 1,057,395.24 × 426,777.72
  4. Step 4: Simplify right side
    766,229.28x = 451,272,729,666.05
  5. Step 5: Solve for x
    x = 451,272,729,666.05/766,229.28
  6. Step 6: Final answer
    x = 588,952.60

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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.