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Finding the Fourth Proportional to 341,734.40, 512,083.20 and 288,857.60

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Solution

The fourth proportional to 341,734.40, 512,083.20 and 288,857.60 is: 432,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,734.40 : 512,083.20 = 288,857.60 : x
  2. Step 2: Convert to fraction form
    341,734.40/512,083.20 = 288,857.60/x
  3. Step 3: Cross multiply
    341,734.40x = 512,083.20 × 288,857.60
  4. Step 4: Simplify right side
    341,734.40x = 147,919,124,152.32
  5. Step 5: Solve for x
    x = 147,919,124,152.32/341,734.40
  6. Step 6: Final answer
    x = 432,848.21

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