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Finding the Fourth Proportional to 414,913.60, 620,936.80 and 248,820.80

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Solution

The fourth proportional to 414,913.60, 620,936.80 and 248,820.80 is: 372,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,913.60 : 620,936.80 = 248,820.80 : x
  2. Step 2: Convert to fraction form
    414,913.60/620,936.80 = 248,820.80/x
  3. Step 3: Cross multiply
    414,913.60x = 620,936.80 × 248,820.80
  4. Step 4: Simplify right side
    414,913.60x = 154,501,991,325.44
  5. Step 5: Solve for x
    x = 154,501,991,325.44/414,913.60
  6. Step 6: Final answer
    x = 372,371.48

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