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Finding the Fourth Proportional to 483,225.62, 724,782.12 and 128,267.22

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Solution

The fourth proportional to 483,225.62, 724,782.12 and 128,267.22 is: 192,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,225.62 : 724,782.12 = 128,267.22 : x
  2. Step 2: Convert to fraction form
    483,225.62/724,782.12 = 128,267.22/x
  3. Step 3: Cross multiply
    483,225.62x = 724,782.12 × 128,267.22
  4. Step 4: Simplify right side
    483,225.62x = 92,965,787,638.11
  5. Step 5: Solve for x
    x = 92,965,787,638.11/483,225.62
  6. Step 6: Final answer
    x = 192,385.89

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