Home / 439,280.04-658,861.32-123,761.55

Finding the Fourth Proportional to 439,280.04, 658,861.32 and 123,761.55

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Solution

The fourth proportional to 439,280.04, 658,861.32 and 123,761.55 is: 185,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,280.04 : 658,861.32 = 123,761.55 : x
  2. Step 2: Convert to fraction form
    439,280.04/658,861.32 = 123,761.55/x
  3. Step 3: Cross multiply
    439,280.04x = 658,861.32 × 123,761.55
  4. Step 4: Simplify right side
    439,280.04x = 81,541,698,198.25
  5. Step 5: Solve for x
    x = 81,541,698,198.25/439,280.04
  6. Step 6: Final answer
    x = 185,625.78

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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.