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Finding the Fourth Proportional to 432,468.40, 647,147.40 and 292,500.40

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Solution

The fourth proportional to 432,468.40, 647,147.40 and 292,500.40 is: 437,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,468.40 : 647,147.40 = 292,500.40 : x
  2. Step 2: Convert to fraction form
    432,468.40/647,147.40 = 292,500.40/x
  3. Step 3: Cross multiply
    432,468.40x = 647,147.40 × 292,500.40
  4. Step 4: Simplify right side
    432,468.40x = 189,290,873,358.96
  5. Step 5: Solve for x
    x = 189,290,873,358.96/432,468.40
  6. Step 6: Final answer
    x = 437,698.74

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