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Finding the Fourth Proportional to 602,565.52, 831,614.22 and 347,916.16

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Solution

The fourth proportional to 602,565.52, 831,614.22 and 347,916.16 is: 480,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,565.52 : 831,614.22 = 347,916.16 : x
  2. Step 2: Convert to fraction form
    602,565.52/831,614.22 = 347,916.16/x
  3. Step 3: Cross multiply
    602,565.52x = 831,614.22 × 347,916.16
  4. Step 4: Simplify right side
    602,565.52x = 289,332,026,023.80
  5. Step 5: Solve for x
    x = 289,332,026,023.80/602,565.52
  6. Step 6: Final answer
    x = 480,166.91

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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.