Home / 629,581.56-944,651.20-329,990.92

Finding the Fourth Proportional to 629,581.56, 944,651.20 and 329,990.92

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Solution

The fourth proportional to 629,581.56, 944,651.20 and 329,990.92 is: 495,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,581.56 : 944,651.20 = 329,990.92 : x
  2. Step 2: Convert to fraction form
    629,581.56/944,651.20 = 329,990.92/x
  3. Step 3: Cross multiply
    629,581.56x = 944,651.20 × 329,990.92
  4. Step 4: Simplify right side
    629,581.56x = 311,726,318,567.10
  5. Step 5: Solve for x
    x = 311,726,318,567.10/629,581.56
  6. Step 6: Final answer
    x = 495,132.54

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Double scale
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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.