Home / 853,462.38-1,279,897.11-474,960.72

Finding the Fourth Proportional to 853,462.38, 1,279,897.11 and 474,960.72

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Solution

The fourth proportional to 853,462.38, 1,279,897.11 and 474,960.72 is: 712,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,462.38 : 1,279,897.11 = 474,960.72 : x
  2. Step 2: Convert to fraction form
    853,462.38/1,279,897.11 = 474,960.72/x
  3. Step 3: Cross multiply
    853,462.38x = 1,279,897.11 × 474,960.72
  4. Step 4: Simplify right side
    853,462.38x = 607,900,852,891.52
  5. Step 5: Solve for x
    x = 607,900,852,891.52/853,462.38
  6. Step 6: Final answer
    x = 712,276.10

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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.