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Finding the Fourth Proportional to 391,102.11, 585,660.80 and 327,755.66

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Solution

The fourth proportional to 391,102.11, 585,660.80 and 327,755.66 is: 490,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,102.11 : 585,660.80 = 327,755.66 : x
  2. Step 2: Convert to fraction form
    391,102.11/585,660.80 = 327,755.66/x
  3. Step 3: Cross multiply
    391,102.11x = 585,660.80 × 327,755.66
  4. Step 4: Simplify right side
    391,102.11x = 191,953,637,473.05
  5. Step 5: Solve for x
    x = 191,953,637,473.05/391,102.11
  6. Step 6: Final answer
    x = 490,801.85

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