Home / 591,270.33-815,952.84-319,338.15

Finding the Fourth Proportional to 591,270.33, 815,952.84 and 319,338.15

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Solution

The fourth proportional to 591,270.33, 815,952.84 and 319,338.15 is: 440,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,270.33 : 815,952.84 = 319,338.15 : x
  2. Step 2: Convert to fraction form
    591,270.33/815,952.84 = 319,338.15/x
  3. Step 3: Cross multiply
    591,270.33x = 815,952.84 × 319,338.15
  4. Step 4: Simplify right side
    591,270.33x = 260,564,867,951.78
  5. Step 5: Solve for x
    x = 260,564,867,951.78/591,270.33
  6. Step 6: Final answer
    x = 440,686.52

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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.