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Finding the Fourth Proportional to 363,862.20, 545,793.30 and 288,046.20

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Solution

The fourth proportional to 363,862.20, 545,793.30 and 288,046.20 is: 432,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,862.20 : 545,793.30 = 288,046.20 : x
  2. Step 2: Convert to fraction form
    363,862.20/545,793.30 = 288,046.20/x
  3. Step 3: Cross multiply
    363,862.20x = 545,793.30 × 288,046.20
  4. Step 4: Simplify right side
    363,862.20x = 157,213,686,050.46
  5. Step 5: Solve for x
    x = 157,213,686,050.46/363,862.20
  6. Step 6: Final answer
    x = 432,069.30

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