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Finding the Fourth Proportional to 483,228.62, 724,786.60 and 128,270.24

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Solution

The fourth proportional to 483,228.62, 724,786.60 and 128,270.24 is: 192,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,228.62 : 724,786.60 = 128,270.24 : x
  2. Step 2: Convert to fraction form
    483,228.62/724,786.60 = 128,270.24/x
  3. Step 3: Cross multiply
    483,228.62x = 724,786.60 × 128,270.24
  4. Step 4: Simplify right side
    483,228.62x = 92,968,551,130.78
  5. Step 5: Solve for x
    x = 92,968,551,130.78/483,228.62
  6. Step 6: Final answer
    x = 192,390.41

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