Home / 439,044.87-658,490.76-123,426.75

Finding the Fourth Proportional to 439,044.87, 658,490.76 and 123,426.75

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Solution

The fourth proportional to 439,044.87, 658,490.76 and 123,426.75 is: 185,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,044.87 : 658,490.76 = 123,426.75 : x
  2. Step 2: Convert to fraction form
    439,044.87/658,490.76 = 123,426.75/x
  3. Step 3: Cross multiply
    439,044.87x = 658,490.76 × 123,426.75
  4. Step 4: Simplify right side
    439,044.87x = 81,275,374,411.83
  5. Step 5: Solve for x
    x = 81,275,374,411.83/439,044.87
  6. Step 6: Final answer
    x = 185,118.61

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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.