Home / 721,631.53-995,867.76-467,425.18

Finding the Fourth Proportional to 721,631.53, 995,867.76 and 467,425.18

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Solution

The fourth proportional to 721,631.53, 995,867.76 and 467,425.18 is: 645,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,631.53 : 995,867.76 = 467,425.18 : x
  2. Step 2: Convert to fraction form
    721,631.53/995,867.76 = 467,425.18/x
  3. Step 3: Cross multiply
    721,631.53x = 995,867.76 × 467,425.18
  4. Step 4: Simplify right side
    721,631.53x = 465,493,666,974.20
  5. Step 5: Solve for x
    x = 465,493,666,974.20/721,631.53
  6. Step 6: Final answer
    x = 645,057.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.