Home / 591,216.11-815,878.19-319,283.97

Finding the Fourth Proportional to 591,216.11, 815,878.19 and 319,283.97

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Solution

The fourth proportional to 591,216.11, 815,878.19 and 319,283.97 is: 440,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,216.11 : 815,878.19 = 319,283.97 : x
  2. Step 2: Convert to fraction form
    591,216.11/815,878.19 = 319,283.97/x
  3. Step 3: Cross multiply
    591,216.11x = 815,878.19 × 319,283.97
  4. Step 4: Simplify right side
    591,216.11x = 260,496,830,377.52
  5. Step 5: Solve for x
    x = 260,496,830,377.52/591,216.11
  6. Step 6: Final answer
    x = 440,611.86

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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.