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Finding the Fourth Proportional to 431,682.40, 647,523.60 and 332,034.40

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Solution

The fourth proportional to 431,682.40, 647,523.60 and 332,034.40 is: 498,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,682.40 : 647,523.60 = 332,034.40 : x
  2. Step 2: Convert to fraction form
    431,682.40/647,523.60 = 332,034.40/x
  3. Step 3: Cross multiply
    431,682.40x = 647,523.60 × 332,034.40
  4. Step 4: Simplify right side
    431,682.40x = 215,000,110,011.84
  5. Step 5: Solve for x
    x = 215,000,110,011.84/431,682.40
  6. Step 6: Final answer
    x = 498,051.60

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