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Finding the Fourth Proportional to 396,073.20, 594,109.80 and 196,316.40

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Solution

The fourth proportional to 396,073.20, 594,109.80 and 196,316.40 is: 294,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,073.20 : 594,109.80 = 196,316.40 : x
  2. Step 2: Convert to fraction form
    396,073.20/594,109.80 = 196,316.40/x
  3. Step 3: Cross multiply
    396,073.20x = 594,109.80 × 196,316.40
  4. Step 4: Simplify right side
    396,073.20x = 116,633,497,140.72
  5. Step 5: Solve for x
    x = 116,633,497,140.72/396,073.20
  6. Step 6: Final answer
    x = 294,474.60

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