Home / 728,787.88-1,092,831.90-413,160.04

Finding the Fourth Proportional to 728,787.88, 1,092,831.90 and 413,160.04

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Solution

The fourth proportional to 728,787.88, 1,092,831.90 and 413,160.04 is: 619,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,787.88 : 1,092,831.90 = 413,160.04 : x
  2. Step 2: Convert to fraction form
    728,787.88/1,092,831.90 = 413,160.04/x
  3. Step 3: Cross multiply
    728,787.88x = 1,092,831.90 × 413,160.04
  4. Step 4: Simplify right side
    728,787.88x = 451,514,471,517.28
  5. Step 5: Solve for x
    x = 451,514,471,517.28/728,787.88
  6. Step 6: Final answer
    x = 619,541.69

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1.5x scale

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.