Home / 853,149.14-1,279,791.75-292,188.50

Finding the Fourth Proportional to 853,149.14, 1,279,791.75 and 292,188.50

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Solution

The fourth proportional to 853,149.14, 1,279,791.75 and 292,188.50 is: 438,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,149.14 : 1,279,791.75 = 292,188.50 : x
  2. Step 2: Convert to fraction form
    853,149.14/1,279,791.75 = 292,188.50/x
  3. Step 3: Cross multiply
    853,149.14x = 1,279,791.75 × 292,188.50
  4. Step 4: Simplify right side
    853,149.14x = 373,940,431,744.88
  5. Step 5: Solve for x
    x = 373,940,431,744.88/853,149.14
  6. Step 6: Final answer
    x = 438,306.05

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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.