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Finding the Fourth Proportional to 629,002.52, 868,000.56 and 342,516.32

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Solution

The fourth proportional to 629,002.52, 868,000.56 and 342,516.32 is: 472,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,002.52 : 868,000.56 = 342,516.32 : x
  2. Step 2: Convert to fraction form
    629,002.52/868,000.56 = 342,516.32/x
  3. Step 3: Cross multiply
    629,002.52x = 868,000.56 × 342,516.32
  4. Step 4: Simplify right side
    629,002.52x = 297,304,357,569.14
  5. Step 5: Solve for x
    x = 297,304,357,569.14/629,002.52
  6. Step 6: Final answer
    x = 472,660.04

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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.