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Finding the Fourth Proportional to 465,781.70, 698,672.55 and 415,043.30

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Solution

The fourth proportional to 465,781.70, 698,672.55 and 415,043.30 is: 622,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,781.70 : 698,672.55 = 415,043.30 : x
  2. Step 2: Convert to fraction form
    465,781.70/698,672.55 = 415,043.30/x
  3. Step 3: Cross multiply
    465,781.70x = 698,672.55 × 415,043.30
  4. Step 4: Simplify right side
    465,781.70x = 289,979,360,771.42
  5. Step 5: Solve for x
    x = 289,979,360,771.42/465,781.70
  6. Step 6: Final answer
    x = 622,564.95

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