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Finding the Fourth Proportional to 330,546.95, 455,998.99 and 239,703.63

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Solution

The fourth proportional to 330,546.95, 455,998.99 and 239,703.63 is: 330,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,546.95 : 455,998.99 = 239,703.63 : x
  2. Step 2: Convert to fraction form
    330,546.95/455,998.99 = 239,703.63/x
  3. Step 3: Cross multiply
    330,546.95x = 455,998.99 × 239,703.63
  4. Step 4: Simplify right side
    330,546.95x = 109,304,613,179.33
  5. Step 5: Solve for x
    x = 109,304,613,179.33/330,546.95
  6. Step 6: Final answer
    x = 330,678.03

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