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Finding the Fourth Proportional to 498,087.46, 687,368.40 and 271,732.96

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Solution

The fourth proportional to 498,087.46, 687,368.40 and 271,732.96 is: 374,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,087.46 : 687,368.40 = 271,732.96 : x
  2. Step 2: Convert to fraction form
    498,087.46/687,368.40 = 271,732.96/x
  3. Step 3: Cross multiply
    498,087.46x = 687,368.40 × 271,732.96
  4. Step 4: Simplify right side
    498,087.46x = 186,780,649,942.46
  5. Step 5: Solve for x
    x = 186,780,649,942.46/498,087.46
  6. Step 6: Final answer
    x = 374,995.69

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