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Finding the Fourth Proportional to 658,685.77, 908,974.54 and 372,199.71

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Solution

The fourth proportional to 658,685.77, 908,974.54 and 372,199.71 is: 513,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,685.77 : 908,974.54 = 372,199.71 : x
  2. Step 2: Convert to fraction form
    658,685.77/908,974.54 = 372,199.71/x
  3. Step 3: Cross multiply
    658,685.77x = 908,974.54 × 372,199.71
  4. Step 4: Simplify right side
    658,685.77x = 338,320,058,946.31
  5. Step 5: Solve for x
    x = 338,320,058,946.31/658,685.77
  6. Step 6: Final answer
    x = 513,628.91

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