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Finding the Fourth Proportional to 417,768.89, 576,519.45 and 226,780.61

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Solution

The fourth proportional to 417,768.89, 576,519.45 and 226,780.61 is: 312,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,768.89 : 576,519.45 = 226,780.61 : x
  2. Step 2: Convert to fraction form
    417,768.89/576,519.45 = 226,780.61/x
  3. Step 3: Cross multiply
    417,768.89x = 576,519.45 × 226,780.61
  4. Step 4: Simplify right side
    417,768.89x = 130,743,429,665.27
  5. Step 5: Solve for x
    x = 130,743,429,665.27/417,768.89
  6. Step 6: Final answer
    x = 312,956.36

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