Home / 853,013.70-1,279,092.51-284,194.71

Finding the Fourth Proportional to 853,013.70, 1,279,092.51 and 284,194.71

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Solution

The fourth proportional to 853,013.70, 1,279,092.51 and 284,194.71 is: 426,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,013.70 : 1,279,092.51 = 284,194.71 : x
  2. Step 2: Convert to fraction form
    853,013.70/1,279,092.51 = 284,194.71/x
  3. Step 3: Cross multiply
    853,013.70x = 1,279,092.51 × 284,194.71
  4. Step 4: Simplify right side
    853,013.70x = 363,511,324,942.62
  5. Step 5: Solve for x
    x = 363,511,324,942.62/853,013.70
  6. Step 6: Final answer
    x = 426,149.46

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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.