Home / 762,781.92-1,052,635.68-423,249.36

Finding the Fourth Proportional to 762,781.92, 1,052,635.68 and 423,249.36

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Solution

The fourth proportional to 762,781.92, 1,052,635.68 and 423,249.36 is: 584,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,781.92 : 1,052,635.68 = 423,249.36 : x
  2. Step 2: Convert to fraction form
    762,781.92/1,052,635.68 = 423,249.36/x
  3. Step 3: Cross multiply
    762,781.92x = 1,052,635.68 × 423,249.36
  4. Step 4: Simplify right side
    762,781.92x = 445,527,377,873.17
  5. Step 5: Solve for x
    x = 445,527,377,873.17/762,781.92
  6. Step 6: Final answer
    x = 584,082.25

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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.