Home / 538,824.80-807,187.44-327,939.68

Finding the Fourth Proportional to 538,824.80, 807,187.44 and 327,939.68

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Solution

The fourth proportional to 538,824.80, 807,187.44 and 327,939.68 is: 491,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,824.80 : 807,187.44 = 327,939.68 : x
  2. Step 2: Convert to fraction form
    538,824.80/807,187.44 = 327,939.68/x
  3. Step 3: Cross multiply
    538,824.80x = 807,187.44 × 327,939.68
  4. Step 4: Simplify right side
    538,824.80x = 264,708,790,773.62
  5. Step 5: Solve for x
    x = 264,708,790,773.62/538,824.80
  6. Step 6: Final answer
    x = 491,270.61

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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.