Home / 853,248.72-1,279,377.92-403,965.80

Finding the Fourth Proportional to 853,248.72, 1,279,377.92 and 403,965.80

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Solution

The fourth proportional to 853,248.72, 1,279,377.92 and 403,965.80 is: 605,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,248.72 : 1,279,377.92 = 403,965.80 : x
  2. Step 2: Convert to fraction form
    853,248.72/1,279,377.92 = 403,965.80/x
  3. Step 3: Cross multiply
    853,248.72x = 1,279,377.92 × 403,965.80
  4. Step 4: Simplify right side
    853,248.72x = 516,824,919,568.16
  5. Step 5: Solve for x
    x = 516,824,919,568.16/853,248.72
  6. Step 6: Final answer
    x = 605,714.26

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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.