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Finding the Fourth Proportional to 548,267.40, 822,401.10 and 423,697.80

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Solution

The fourth proportional to 548,267.40, 822,401.10 and 423,697.80 is: 635,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,267.40 : 822,401.10 = 423,697.80 : x
  2. Step 2: Convert to fraction form
    548,267.40/822,401.10 = 423,697.80/x
  3. Step 3: Cross multiply
    548,267.40x = 822,401.10 × 423,697.80
  4. Step 4: Simplify right side
    548,267.40x = 348,449,536,787.58
  5. Step 5: Solve for x
    x = 348,449,536,787.58/548,267.40
  6. Step 6: Final answer
    x = 635,546.70

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