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Finding the Fourth Proportional to 639,163.41, 882,364.85 and 397,523.88

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Solution

The fourth proportional to 639,163.41, 882,364.85 and 397,523.88 is: 548,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,163.41 : 882,364.85 = 397,523.88 : x
  2. Step 2: Convert to fraction form
    639,163.41/882,364.85 = 397,523.88/x
  3. Step 3: Cross multiply
    639,163.41x = 882,364.85 × 397,523.88
  4. Step 4: Simplify right side
    639,163.41x = 350,761,096,760.00
  5. Step 5: Solve for x
    x = 350,761,096,760.00/639,163.41
  6. Step 6: Final answer
    x = 548,781.57

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