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Finding the Fourth Proportional to 475,960.40, 713,940.60 and 454,965.20

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Solution

The fourth proportional to 475,960.40, 713,940.60 and 454,965.20 is: 682,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,960.40 : 713,940.60 = 454,965.20 : x
  2. Step 2: Convert to fraction form
    475,960.40/713,940.60 = 454,965.20/x
  3. Step 3: Cross multiply
    475,960.40x = 713,940.60 × 454,965.20
  4. Step 4: Simplify right side
    475,960.40x = 324,818,127,867.12
  5. Step 5: Solve for x
    x = 324,818,127,867.12/475,960.40
  6. Step 6: Final answer
    x = 682,447.80

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