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Finding the Fourth Proportional to 498,302.08, 687,647.28 and 271,949.20

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Solution

The fourth proportional to 498,302.08, 687,647.28 and 271,949.20 is: 375,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,302.08 : 687,647.28 = 271,949.20 : x
  2. Step 2: Convert to fraction form
    498,302.08/687,647.28 = 271,949.20/x
  3. Step 3: Cross multiply
    498,302.08x = 687,647.28 × 271,949.20
  4. Step 4: Simplify right side
    498,302.08x = 187,005,127,678.18
  5. Step 5: Solve for x
    x = 187,005,127,678.18/498,302.08
  6. Step 6: Final answer
    x = 375,284.66

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