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Finding the Fourth Proportional to 368,434.20, 552,068.10 and 308,947.80

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Solution

The fourth proportional to 368,434.20, 552,068.10 and 308,947.80 is: 462,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,434.20 : 552,068.10 = 308,947.80 : x
  2. Step 2: Convert to fraction form
    368,434.20/552,068.10 = 308,947.80/x
  3. Step 3: Cross multiply
    368,434.20x = 552,068.10 × 308,947.80
  4. Step 4: Simplify right side
    368,434.20x = 170,560,224,945.18
  5. Step 5: Solve for x
    x = 170,560,224,945.18/368,434.20
  6. Step 6: Final answer
    x = 462,932.66

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