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Finding the Fourth Proportional to 548,630.20, 822,945.30 and 455,318.20

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Solution

The fourth proportional to 548,630.20, 822,945.30 and 455,318.20 is: 682,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,630.20 : 822,945.30 = 455,318.20 : x
  2. Step 2: Convert to fraction form
    548,630.20/822,945.30 = 455,318.20/x
  3. Step 3: Cross multiply
    548,630.20x = 822,945.30 × 455,318.20
  4. Step 4: Simplify right side
    548,630.20x = 374,701,972,694.46
  5. Step 5: Solve for x
    x = 374,701,972,694.46/548,630.20
  6. Step 6: Final answer
    x = 682,977.30

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