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Finding the Fourth Proportional to 643,691.26, 965,537.70 and 222,967.09

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Solution

The fourth proportional to 643,691.26, 965,537.70 and 222,967.09 is: 334,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,691.26 : 965,537.70 = 222,967.09 : x
  2. Step 2: Convert to fraction form
    643,691.26/965,537.70 = 222,967.09/x
  3. Step 3: Cross multiply
    643,691.26x = 965,537.70 × 222,967.09
  4. Step 4: Simplify right side
    643,691.26x = 215,283,131,254.29
  5. Step 5: Solve for x
    x = 215,283,131,254.29/643,691.26
  6. Step 6: Final answer
    x = 334,450.92

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