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Finding the Fourth Proportional to 780,183.25, 1,170,612.95 and 275,105.03

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Solution

The fourth proportional to 780,183.25, 1,170,612.95 and 275,105.03 is: 412,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,183.25 : 1,170,612.95 = 275,105.03 : x
  2. Step 2: Convert to fraction form
    780,183.25/1,170,612.95 = 275,105.03/x
  3. Step 3: Cross multiply
    780,183.25x = 1,170,612.95 × 275,105.03
  4. Step 4: Simplify right side
    780,183.25x = 322,041,503,499.55
  5. Step 5: Solve for x
    x = 322,041,503,499.55/780,183.25
  6. Step 6: Final answer
    x = 412,776.75

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