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Finding the Fourth Proportional to 492,956.62, 680,286.75 and 278,096.02

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Solution

The fourth proportional to 492,956.62, 680,286.75 and 278,096.02 is: 383,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,956.62 : 680,286.75 = 278,096.02 : x
  2. Step 2: Convert to fraction form
    492,956.62/680,286.75 = 278,096.02/x
  3. Step 3: Cross multiply
    492,956.62x = 680,286.75 × 278,096.02
  4. Step 4: Simplify right side
    492,956.62x = 189,185,037,633.74
  5. Step 5: Solve for x
    x = 189,185,037,633.74/492,956.62
  6. Step 6: Final answer
    x = 383,776.24

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