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Finding the Fourth Proportional to 325,846.20, 488,769.30 and 276,638.70

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Solution

The fourth proportional to 325,846.20, 488,769.30 and 276,638.70 is: 414,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,846.20 : 488,769.30 = 276,638.70 : x
  2. Step 2: Convert to fraction form
    325,846.20/488,769.30 = 276,638.70/x
  3. Step 3: Cross multiply
    325,846.20x = 488,769.30 × 276,638.70
  4. Step 4: Simplify right side
    325,846.20x = 135,212,503,751.91
  5. Step 5: Solve for x
    x = 135,212,503,751.91/325,846.20
  6. Step 6: Final answer
    x = 414,958.05

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