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Finding the Fourth Proportional to 431,997.89, 648,286.13 and 179,278.61

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Solution

The fourth proportional to 431,997.89, 648,286.13 and 179,278.61 is: 269,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,997.89 : 648,286.13 = 179,278.61 : x
  2. Step 2: Convert to fraction form
    431,997.89/648,286.13 = 179,278.61/x
  3. Step 3: Cross multiply
    431,997.89x = 648,286.13 × 179,278.61
  4. Step 4: Simplify right side
    431,997.89x = 116,223,836,268.68
  5. Step 5: Solve for x
    x = 116,223,836,268.68/431,997.89
  6. Step 6: Final answer
    x = 269,037.97

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