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Finding the Fourth Proportional to 431,318.40, 646,977.60 and 244,694.40

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Solution

The fourth proportional to 431,318.40, 646,977.60 and 244,694.40 is: 367,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,318.40 : 646,977.60 = 244,694.40 : x
  2. Step 2: Convert to fraction form
    431,318.40/646,977.60 = 244,694.40/x
  3. Step 3: Cross multiply
    431,318.40x = 646,977.60 × 244,694.40
  4. Step 4: Simplify right side
    431,318.40x = 158,311,795,645.44
  5. Step 5: Solve for x
    x = 158,311,795,645.44/431,318.40
  6. Step 6: Final answer
    x = 367,041.60

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