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Finding the Fourth Proportional to 591,299.62, 815,993.22 and 319,367.41

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Solution

The fourth proportional to 591,299.62, 815,993.22 and 319,367.41 is: 440,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,299.62 : 815,993.22 = 319,367.41 : x
  2. Step 2: Convert to fraction form
    591,299.62/815,993.22 = 319,367.41/x
  3. Step 3: Cross multiply
    591,299.62x = 815,993.22 × 319,367.41
  4. Step 4: Simplify right side
    591,299.62x = 260,601,641,248.96
  5. Step 5: Solve for x
    x = 260,601,641,248.96/591,299.62
  6. Step 6: Final answer
    x = 440,726.89

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