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Finding the Fourth Proportional to 341,470.40, 512,205.60 and 307,644.80

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Solution

The fourth proportional to 341,470.40, 512,205.60 and 307,644.80 is: 461,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,470.40 : 512,205.60 = 307,644.80 : x
  2. Step 2: Convert to fraction form
    341,470.40/512,205.60 = 307,644.80/x
  3. Step 3: Cross multiply
    341,470.40x = 512,205.60 × 307,644.80
  4. Step 4: Simplify right side
    341,470.40x = 157,577,389,370.88
  5. Step 5: Solve for x
    x = 157,577,389,370.88/341,470.40
  6. Step 6: Final answer
    x = 461,467.20

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