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Finding the Fourth Proportional to 366,938.20, 550,407.30 and 331,508.80

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Solution

The fourth proportional to 366,938.20, 550,407.30 and 331,508.80 is: 497,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,938.20 : 550,407.30 = 331,508.80 : x
  2. Step 2: Convert to fraction form
    366,938.20/550,407.30 = 331,508.80/x
  3. Step 3: Cross multiply
    366,938.20x = 550,407.30 × 331,508.80
  4. Step 4: Simplify right side
    366,938.20x = 182,464,863,534.24
  5. Step 5: Solve for x
    x = 182,464,863,534.24/366,938.20
  6. Step 6: Final answer
    x = 497,263.20

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