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Finding the Fourth Proportional to 498,267.20, 747,038.72 and 198,657.92

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Solution

The fourth proportional to 498,267.20, 747,038.72 and 198,657.92 is: 297,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,267.20 : 747,038.72 = 198,657.92 : x
  2. Step 2: Convert to fraction form
    498,267.20/747,038.72 = 198,657.92/x
  3. Step 3: Cross multiply
    498,267.20x = 747,038.72 × 198,657.92
  4. Step 4: Simplify right side
    498,267.20x = 148,405,160,638.90
  5. Step 5: Solve for x
    x = 148,405,160,638.90/498,267.20
  6. Step 6: Final answer
    x = 297,842.52

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