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Finding the Fourth Proportional to 341,630.80, 512,446.20 and 336,965.20

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Solution

The fourth proportional to 341,630.80, 512,446.20 and 336,965.20 is: 505,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,630.80 : 512,446.20 = 336,965.20 : x
  2. Step 2: Convert to fraction form
    341,630.80/512,446.20 = 336,965.20/x
  3. Step 3: Cross multiply
    341,630.80x = 512,446.20 × 336,965.20
  4. Step 4: Simplify right side
    341,630.80x = 172,676,536,272.24
  5. Step 5: Solve for x
    x = 172,676,536,272.24/341,630.80
  6. Step 6: Final answer
    x = 505,447.80

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