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Finding the Fourth Proportional to 624,042.40, 936,466.80 and 343,760.80

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Solution

The fourth proportional to 624,042.40, 936,466.80 and 343,760.80 is: 515,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,042.40 : 936,466.80 = 343,760.80 : x
  2. Step 2: Convert to fraction form
    624,042.40/936,466.80 = 343,760.80/x
  3. Step 3: Cross multiply
    624,042.40x = 936,466.80 × 343,760.80
  4. Step 4: Simplify right side
    624,042.40x = 321,920,576,341.44
  5. Step 5: Solve for x
    x = 321,920,576,341.44/624,042.40
  6. Step 6: Final answer
    x = 515,863.31

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