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Finding the Fourth Proportional to 624,043.20, 936,064.80 and 551,726.40

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Solution

The fourth proportional to 624,043.20, 936,064.80 and 551,726.40 is: 827,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,043.20 : 936,064.80 = 551,726.40 : x
  2. Step 2: Convert to fraction form
    624,043.20/936,064.80 = 551,726.40/x
  3. Step 3: Cross multiply
    624,043.20x = 936,064.80 × 551,726.40
  4. Step 4: Simplify right side
    624,043.20x = 516,451,662,270.72
  5. Step 5: Solve for x
    x = 516,451,662,270.72/624,043.20
  6. Step 6: Final answer
    x = 827,589.60

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