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Finding the Fourth Proportional to 654,205.20, 980,530.20 and 275,125.20

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Solution

The fourth proportional to 654,205.20, 980,530.20 and 275,125.20 is: 412,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,205.20 : 980,530.20 = 275,125.20 : x
  2. Step 2: Convert to fraction form
    654,205.20/980,530.20 = 275,125.20/x
  3. Step 3: Cross multiply
    654,205.20x = 980,530.20 × 275,125.20
  4. Step 4: Simplify right side
    654,205.20x = 269,768,567,381.04
  5. Step 5: Solve for x
    x = 269,768,567,381.04/654,205.20
  6. Step 6: Final answer
    x = 412,360.78

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