Home / 459,028.10-688,542.15-272,404.10

Finding the Fourth Proportional to 459,028.10, 688,542.15 and 272,404.10

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Solution

The fourth proportional to 459,028.10, 688,542.15 and 272,404.10 is: 408,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,028.10 : 688,542.15 = 272,404.10 : x
  2. Step 2: Convert to fraction form
    459,028.10/688,542.15 = 272,404.10/x
  3. Step 3: Cross multiply
    459,028.10x = 688,542.15 × 272,404.10
  4. Step 4: Simplify right side
    459,028.10x = 187,561,704,682.82
  5. Step 5: Solve for x
    x = 187,561,704,682.82/459,028.10
  6. Step 6: Final answer
    x = 408,606.15

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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.