Home / 728,562.86-1,092,182.71-254,989.88

Finding the Fourth Proportional to 728,562.86, 1,092,182.71 and 254,989.88

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Solution

The fourth proportional to 728,562.86, 1,092,182.71 and 254,989.88 is: 382,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,562.86 : 1,092,182.71 = 254,989.88 : x
  2. Step 2: Convert to fraction form
    728,562.86/1,092,182.71 = 254,989.88/x
  3. Step 3: Cross multiply
    728,562.86x = 1,092,182.71 × 254,989.88
  4. Step 4: Simplify right side
    728,562.86x = 278,495,538,160.98
  5. Step 5: Solve for x
    x = 278,495,538,160.98/728,562.86
  6. Step 6: Final answer
    x = 382,253.27

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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.