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Finding the Fourth Proportional to 548,658.40, 822,987.60 and 193,669.60

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Solution

The fourth proportional to 548,658.40, 822,987.60 and 193,669.60 is: 290,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,658.40 : 822,987.60 = 193,669.60 : x
  2. Step 2: Convert to fraction form
    548,658.40/822,987.60 = 193,669.60/x
  3. Step 3: Cross multiply
    548,658.40x = 822,987.60 × 193,669.60
  4. Step 4: Simplify right side
    548,658.40x = 159,387,679,296.96
  5. Step 5: Solve for x
    x = 159,387,679,296.96/548,658.40
  6. Step 6: Final answer
    x = 290,504.40

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