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Finding the Fourth Proportional to 408,519.97, 612,814.25 and 124,212.98

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Solution

The fourth proportional to 408,519.97, 612,814.25 and 124,212.98 is: 186,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,519.97 : 612,814.25 = 124,212.98 : x
  2. Step 2: Convert to fraction form
    408,519.97/612,814.25 = 124,212.98/x
  3. Step 3: Cross multiply
    408,519.97x = 612,814.25 × 124,212.98
  4. Step 4: Simplify right side
    408,519.97x = 76,119,484,178.97
  5. Step 5: Solve for x
    x = 76,119,484,178.97/408,519.97
  6. Step 6: Final answer
    x = 186,329.90

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