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Finding the Fourth Proportional to 442,030.56, 663,241.84 and 231,618.40

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Solution

The fourth proportional to 442,030.56, 663,241.84 and 231,618.40 is: 347,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,030.56 : 663,241.84 = 231,618.40 : x
  2. Step 2: Convert to fraction form
    442,030.56/663,241.84 = 231,618.40/x
  3. Step 3: Cross multiply
    442,030.56x = 663,241.84 × 231,618.40
  4. Step 4: Simplify right side
    442,030.56x = 153,619,013,793.86
  5. Step 5: Solve for x
    x = 153,619,013,793.86/442,030.56
  6. Step 6: Final answer
    x = 347,530.30

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