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Finding the Fourth Proportional to 869,601.73, 1,304,491.97 and 300,981.90

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Solution

The fourth proportional to 869,601.73, 1,304,491.97 and 300,981.90 is: 451,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,601.73 : 1,304,491.97 = 300,981.90 : x
  2. Step 2: Convert to fraction form
    869,601.73/1,304,491.97 = 300,981.90/x
  3. Step 3: Cross multiply
    869,601.73x = 1,304,491.97 × 300,981.90
  4. Step 4: Simplify right side
    869,601.73x = 392,628,463,637.97
  5. Step 5: Solve for x
    x = 392,628,463,637.97/869,601.73
  6. Step 6: Final answer
    x = 451,503.77

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