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Finding the Fourth Proportional to 304,313.20, 456,469.80 and 281,568.40

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Solution

The fourth proportional to 304,313.20, 456,469.80 and 281,568.40 is: 422,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,313.20 : 456,469.80 = 281,568.40 : x
  2. Step 2: Convert to fraction form
    304,313.20/456,469.80 = 281,568.40/x
  3. Step 3: Cross multiply
    304,313.20x = 456,469.80 × 281,568.40
  4. Step 4: Simplify right side
    304,313.20x = 128,527,471,234.32
  5. Step 5: Solve for x
    x = 128,527,471,234.32/304,313.20
  6. Step 6: Final answer
    x = 422,352.60

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