Home / 721,969.32-1,083,046.68-337,449.60

Finding the Fourth Proportional to 721,969.32, 1,083,046.68 and 337,449.60

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Solution

The fourth proportional to 721,969.32, 1,083,046.68 and 337,449.60 is: 506,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,969.32 : 1,083,046.68 = 337,449.60 : x
  2. Step 2: Convert to fraction form
    721,969.32/1,083,046.68 = 337,449.60/x
  3. Step 3: Cross multiply
    721,969.32x = 1,083,046.68 × 337,449.60
  4. Step 4: Simplify right side
    721,969.32x = 365,473,668,947.33
  5. Step 5: Solve for x
    x = 365,473,668,947.33/721,969.32
  6. Step 6: Final answer
    x = 506,217.73

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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.