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Finding the Fourth Proportional to 639,405.56, 882,401.03 and 349,034.33

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Solution

The fourth proportional to 639,405.56, 882,401.03 and 349,034.33 is: 481,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,405.56 : 882,401.03 = 349,034.33 : x
  2. Step 2: Convert to fraction form
    639,405.56/882,401.03 = 349,034.33/x
  3. Step 3: Cross multiply
    639,405.56x = 882,401.03 × 349,034.33
  4. Step 4: Simplify right side
    639,405.56x = 307,988,255,375.95
  5. Step 5: Solve for x
    x = 307,988,255,375.95/639,405.56
  6. Step 6: Final answer
    x = 481,679.04

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