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Finding the Fourth Proportional to 661,981, 913,553.22 and 360,194.44

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Solution

The fourth proportional to 661,981, 913,553.22 and 360,194.44 is: 497,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,981 : 913,553.22 = 360,194.44 : x
  2. Step 2: Convert to fraction form
    661,981/913,553.22 = 360,194.44/x
  3. Step 3: Cross multiply
    661,981x = 913,553.22 × 360,194.44
  4. Step 4: Simplify right side
    661,981x = 329,056,790,488.10
  5. Step 5: Solve for x
    x = 329,056,790,488.10/661,981
  6. Step 6: Final answer
    x = 497,078.90

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