Home / 484,531.40-727,229.10-284,601.80

Finding the Fourth Proportional to 484,531.40, 727,229.10 and 284,601.80

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Solution

The fourth proportional to 484,531.40, 727,229.10 and 284,601.80 is: 427,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,531.40 : 727,229.10 = 284,601.80 : x
  2. Step 2: Convert to fraction form
    484,531.40/727,229.10 = 284,601.80/x
  3. Step 3: Cross multiply
    484,531.40x = 727,229.10 × 284,601.80
  4. Step 4: Simplify right side
    484,531.40x = 206,970,710,872.38
  5. Step 5: Solve for x
    x = 206,970,710,872.38/484,531.40
  6. Step 6: Final answer
    x = 427,156.45

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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.