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Finding the Fourth Proportional to 362,519.20, 543,778.80 and 310,031.20

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Solution

The fourth proportional to 362,519.20, 543,778.80 and 310,031.20 is: 465,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,519.20 : 543,778.80 = 310,031.20 : x
  2. Step 2: Convert to fraction form
    362,519.20/543,778.80 = 310,031.20/x
  3. Step 3: Cross multiply
    362,519.20x = 543,778.80 × 310,031.20
  4. Step 4: Simplify right side
    362,519.20x = 168,588,393,898.56
  5. Step 5: Solve for x
    x = 168,588,393,898.56/362,519.20
  6. Step 6: Final answer
    x = 465,046.80

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