Home / 721,229.03-1,080,887.93-383,542.56

Finding the Fourth Proportional to 721,229.03, 1,080,887.93 and 383,542.56

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Solution

The fourth proportional to 721,229.03, 1,080,887.93 and 383,542.56 is: 574,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,229.03 : 1,080,887.93 = 383,542.56 : x
  2. Step 2: Convert to fraction form
    721,229.03/1,080,887.93 = 383,542.56/x
  3. Step 3: Cross multiply
    721,229.03x = 1,080,887.93 × 383,542.56
  4. Step 4: Simplify right side
    721,229.03x = 414,566,523,265.87
  5. Step 5: Solve for x
    x = 414,566,523,265.87/721,229.03
  6. Step 6: Final answer
    x = 574,805.65

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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.