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Finding the Fourth Proportional to 647,637.60, 971,456.40 and 622,754.40

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Solution

The fourth proportional to 647,637.60, 971,456.40 and 622,754.40 is: 934,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,637.60 : 971,456.40 = 622,754.40 : x
  2. Step 2: Convert to fraction form
    647,637.60/971,456.40 = 622,754.40/x
  3. Step 3: Cross multiply
    647,637.60x = 971,456.40 × 622,754.40
  4. Step 4: Simplify right side
    647,637.60x = 604,978,747,508.16
  5. Step 5: Solve for x
    x = 604,978,747,508.16/647,637.60
  6. Step 6: Final answer
    x = 934,131.60

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