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Finding the Fourth Proportional to 483,233.60, 724,850.40 and 438,910.40

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Solution

The fourth proportional to 483,233.60, 724,850.40 and 438,910.40 is: 658,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,233.60 : 724,850.40 = 438,910.40 : x
  2. Step 2: Convert to fraction form
    483,233.60/724,850.40 = 438,910.40/x
  3. Step 3: Cross multiply
    483,233.60x = 724,850.40 × 438,910.40
  4. Step 4: Simplify right side
    483,233.60x = 318,144,379,004.16
  5. Step 5: Solve for x
    x = 318,144,379,004.16/483,233.60
  6. Step 6: Final answer
    x = 658,365.60

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