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Finding the Fourth Proportional to 413,843.40, 620,873.10 and 133,367.40

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Solution

The fourth proportional to 413,843.40, 620,873.10 and 133,367.40 is: 200,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,843.40 : 620,873.10 = 133,367.40 : x
  2. Step 2: Convert to fraction form
    413,843.40/620,873.10 = 133,367.40/x
  3. Step 3: Cross multiply
    413,843.40x = 620,873.10 × 133,367.40
  4. Step 4: Simplify right side
    413,843.40x = 82,804,231,076.94
  5. Step 5: Solve for x
    x = 82,804,231,076.94/413,843.40
  6. Step 6: Final answer
    x = 200,085.90

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