Home / 591,227.10-815,893.23-319,294.91

Finding the Fourth Proportional to 591,227.10, 815,893.23 and 319,294.91

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Solution

The fourth proportional to 591,227.10, 815,893.23 and 319,294.91 is: 440,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,227.10 : 815,893.23 = 319,294.91 : x
  2. Step 2: Convert to fraction form
    591,227.10/815,893.23 = 319,294.91/x
  3. Step 3: Cross multiply
    591,227.10x = 815,893.23 × 319,294.91
  4. Step 4: Simplify right side
    591,227.10x = 260,510,557,781.53
  5. Step 5: Solve for x
    x = 260,510,557,781.53/591,227.10
  6. Step 6: Final answer
    x = 440,626.89

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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.