Home / 728,132.10-1,092,023.19-372,963.30

Finding the Fourth Proportional to 728,132.10, 1,092,023.19 and 372,963.30

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Solution

The fourth proportional to 728,132.10, 1,092,023.19 and 372,963.30 is: 559,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,132.10 : 1,092,023.19 = 372,963.30 : x
  2. Step 2: Convert to fraction form
    728,132.10/1,092,023.19 = 372,963.30/x
  3. Step 3: Cross multiply
    728,132.10x = 1,092,023.19 × 372,963.30
  4. Step 4: Simplify right side
    728,132.10x = 407,284,572,618.93
  5. Step 5: Solve for x
    x = 407,284,572,618.93/728,132.10
  6. Step 6: Final answer
    x = 559,355.33

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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.