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Finding the Fourth Proportional to 548,682.60, 823,023.90 and 424,266.60

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Solution

The fourth proportional to 548,682.60, 823,023.90 and 424,266.60 is: 636,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,682.60 : 823,023.90 = 424,266.60 : x
  2. Step 2: Convert to fraction form
    548,682.60/823,023.90 = 424,266.60/x
  3. Step 3: Cross multiply
    548,682.60x = 823,023.90 × 424,266.60
  4. Step 4: Simplify right side
    548,682.60x = 349,181,551,771.74
  5. Step 5: Solve for x
    x = 349,181,551,771.74/548,682.60
  6. Step 6: Final answer
    x = 636,399.90

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