Home / 782,963.30-1,174,469.32-372,542.68

Finding the Fourth Proportional to 782,963.30, 1,174,469.32 and 372,542.68

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Solution

The fourth proportional to 782,963.30, 1,174,469.32 and 372,542.68 is: 558,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,963.30 : 1,174,469.32 = 372,542.68 : x
  2. Step 2: Convert to fraction form
    782,963.30/1,174,469.32 = 372,542.68/x
  3. Step 3: Cross multiply
    782,963.30x = 1,174,469.32 × 372,542.68
  4. Step 4: Simplify right side
    782,963.30x = 437,539,948,050.58
  5. Step 5: Solve for x
    x = 437,539,948,050.58/782,963.30
  6. Step 6: Final answer
    x = 558,825.62

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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.