Home / 853,291.20-1,279,591.20-292,036.80

Finding the Fourth Proportional to 853,291.20, 1,279,591.20 and 292,036.80

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Solution

The fourth proportional to 853,291.20, 1,279,591.20 and 292,036.80 is: 437,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,291.20 : 1,279,591.20 = 292,036.80 : x
  2. Step 2: Convert to fraction form
    853,291.20/1,279,591.20 = 292,036.80/x
  3. Step 3: Cross multiply
    853,291.20x = 1,279,591.20 × 292,036.80
  4. Step 4: Simplify right side
    853,291.20x = 373,687,719,356.16
  5. Step 5: Solve for x
    x = 373,687,719,356.16/853,291.20
  6. Step 6: Final answer
    x = 437,936.92

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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.