Home / 657,200.10-985,508.55-302,031.30

Finding the Fourth Proportional to 657,200.10, 985,508.55 and 302,031.30

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Solution

The fourth proportional to 657,200.10, 985,508.55 and 302,031.30 is: 452,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,200.10 : 985,508.55 = 302,031.30 : x
  2. Step 2: Convert to fraction form
    657,200.10/985,508.55 = 302,031.30/x
  3. Step 3: Cross multiply
    657,200.10x = 985,508.55 × 302,031.30
  4. Step 4: Simplify right side
    657,200.10x = 297,654,428,517.62
  5. Step 5: Solve for x
    x = 297,654,428,517.62/657,200.10
  6. Step 6: Final answer
    x = 452,912.94

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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.