Home / 588,211.75-811,732.94-319,939.75

Finding the Fourth Proportional to 588,211.75, 811,732.94 and 319,939.75

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Solution

The fourth proportional to 588,211.75, 811,732.94 and 319,939.75 is: 441,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,211.75 : 811,732.94 = 319,939.75 : x
  2. Step 2: Convert to fraction form
    588,211.75/811,732.94 = 319,939.75/x
  3. Step 3: Cross multiply
    588,211.75x = 811,732.94 × 319,939.75
  4. Step 4: Simplify right side
    588,211.75x = 259,705,633,890.37
  5. Step 5: Solve for x
    x = 259,705,633,890.37/588,211.75
  6. Step 6: Final answer
    x = 441,517.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.