Home / 721,859.60-1,080,456.60-563,229.20

Finding the Fourth Proportional to 721,859.60, 1,080,456.60 and 563,229.20

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Solution

The fourth proportional to 721,859.60, 1,080,456.60 and 563,229.20 is: 843,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,859.60 : 1,080,456.60 = 563,229.20 : x
  2. Step 2: Convert to fraction form
    721,859.60/1,080,456.60 = 563,229.20/x
  3. Step 3: Cross multiply
    721,859.60x = 1,080,456.60 × 563,229.20
  4. Step 4: Simplify right side
    721,859.60x = 608,544,706,452.72
  5. Step 5: Solve for x
    x = 608,544,706,452.72/721,859.60
  6. Step 6: Final answer
    x = 843,023.64

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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.