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Finding the Fourth Proportional to 624,273.44, 861,490.88 and 337,787.20

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Solution

The fourth proportional to 624,273.44, 861,490.88 and 337,787.20 is: 466,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,273.44 : 861,490.88 = 337,787.20 : x
  2. Step 2: Convert to fraction form
    624,273.44/861,490.88 = 337,787.20/x
  3. Step 3: Cross multiply
    624,273.44x = 861,490.88 × 337,787.20
  4. Step 4: Simplify right side
    624,273.44x = 291,000,592,180.74
  5. Step 5: Solve for x
    x = 291,000,592,180.74/624,273.44
  6. Step 6: Final answer
    x = 466,142.84

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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.