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Finding the Fourth Proportional to 543,622.80, 815,142.60 and 227,722.80

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Solution

The fourth proportional to 543,622.80, 815,142.60 and 227,722.80 is: 341,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,622.80 : 815,142.60 = 227,722.80 : x
  2. Step 2: Convert to fraction form
    543,622.80/815,142.60 = 227,722.80/x
  3. Step 3: Cross multiply
    543,622.80x = 815,142.60 × 227,722.80
  4. Step 4: Simplify right side
    543,622.80x = 185,626,555,271.28
  5. Step 5: Solve for x
    x = 185,626,555,271.28/543,622.80
  6. Step 6: Final answer
    x = 341,462.05

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