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Finding the Fourth Proportional to 437,139.25, 655,890.41 and 209,320.27

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Solution

The fourth proportional to 437,139.25, 655,890.41 and 209,320.27 is: 314,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,139.25 : 655,890.41 = 209,320.27 : x
  2. Step 2: Convert to fraction form
    437,139.25/655,890.41 = 209,320.27/x
  3. Step 3: Cross multiply
    437,139.25x = 655,890.41 × 209,320.27
  4. Step 4: Simplify right side
    437,139.25x = 137,291,156,595.19
  5. Step 5: Solve for x
    x = 137,291,156,595.19/437,139.25
  6. Step 6: Final answer
    x = 314,067.33

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