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Finding the Fourth Proportional to 362,560.20, 543,840.30 and 308,905.80

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Solution

The fourth proportional to 362,560.20, 543,840.30 and 308,905.80 is: 463,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,560.20 : 543,840.30 = 308,905.80 : x
  2. Step 2: Convert to fraction form
    362,560.20/543,840.30 = 308,905.80/x
  3. Step 3: Cross multiply
    362,560.20x = 543,840.30 × 308,905.80
  4. Step 4: Simplify right side
    362,560.20x = 167,995,422,943.74
  5. Step 5: Solve for x
    x = 167,995,422,943.74/362,560.20
  6. Step 6: Final answer
    x = 463,358.70

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