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Finding the Fourth Proportional to 396,622.64, 594,807.84 and 130,321.52

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Solution

The fourth proportional to 396,622.64, 594,807.84 and 130,321.52 is: 195,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,622.64 : 594,807.84 = 130,321.52 : x
  2. Step 2: Convert to fraction form
    396,622.64/594,807.84 = 130,321.52/x
  3. Step 3: Cross multiply
    396,622.64x = 594,807.84 × 130,321.52
  4. Step 4: Simplify right side
    396,622.64x = 77,516,261,816.72
  5. Step 5: Solve for x
    x = 77,516,261,816.72/396,622.64
  6. Step 6: Final answer
    x = 195,440.84

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