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Finding the Fourth Proportional to 275,768.40, 413,652.60 and 220,472.40

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Solution

The fourth proportional to 275,768.40, 413,652.60 and 220,472.40 is: 330,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,768.40 : 413,652.60 = 220,472.40 : x
  2. Step 2: Convert to fraction form
    275,768.40/413,652.60 = 220,472.40/x
  3. Step 3: Cross multiply
    275,768.40x = 413,652.60 × 220,472.40
  4. Step 4: Simplify right side
    275,768.40x = 91,198,981,488.24
  5. Step 5: Solve for x
    x = 91,198,981,488.24/275,768.40
  6. Step 6: Final answer
    x = 330,708.60

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