Home / 728,132.60-1,092,023.94-372,963.80

Finding the Fourth Proportional to 728,132.60, 1,092,023.94 and 372,963.80

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Solution

The fourth proportional to 728,132.60, 1,092,023.94 and 372,963.80 is: 559,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,132.60 : 1,092,023.94 = 372,963.80 : x
  2. Step 2: Convert to fraction form
    728,132.60/1,092,023.94 = 372,963.80/x
  3. Step 3: Cross multiply
    728,132.60x = 1,092,023.94 × 372,963.80
  4. Step 4: Simplify right side
    728,132.60x = 407,285,398,353.37
  5. Step 5: Solve for x
    x = 407,285,398,353.37/728,132.60
  6. Step 6: Final answer
    x = 559,356.08

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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.