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Finding the Fourth Proportional to 493,029.09, 680,366.30 and 278,189.15

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Solution

The fourth proportional to 493,029.09, 680,366.30 and 278,189.15 is: 383,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,029.09 : 680,366.30 = 278,189.15 : x
  2. Step 2: Convert to fraction form
    493,029.09/680,366.30 = 278,189.15/x
  3. Step 3: Cross multiply
    493,029.09x = 680,366.30 × 278,189.15
  4. Step 4: Simplify right side
    493,029.09x = 189,270,517,892.87
  5. Step 5: Solve for x
    x = 189,270,517,892.87/493,029.09
  6. Step 6: Final answer
    x = 383,893.21

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