Home / 853,165.76-1,279,617.12-284,556.80

Finding the Fourth Proportional to 853,165.76, 1,279,617.12 and 284,556.80

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Solution

The fourth proportional to 853,165.76, 1,279,617.12 and 284,556.80 is: 426,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,165.76 : 1,279,617.12 = 284,556.80 : x
  2. Step 2: Convert to fraction form
    853,165.76/1,279,617.12 = 284,556.80/x
  3. Step 3: Cross multiply
    853,165.76x = 1,279,617.12 × 284,556.80
  4. Step 4: Simplify right side
    853,165.76x = 364,123,752,892.42
  5. Step 5: Solve for x
    x = 364,123,752,892.42/853,165.76
  6. Step 6: Final answer
    x = 426,791.33

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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.