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Finding the Fourth Proportional to 265,040.80, 397,778.80 and 262,967.20

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Solution

The fourth proportional to 265,040.80, 397,778.80 and 262,967.20 is: 394,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,040.80 : 397,778.80 = 262,967.20 : x
  2. Step 2: Convert to fraction form
    265,040.80/397,778.80 = 262,967.20/x
  3. Step 3: Cross multiply
    265,040.80x = 397,778.80 × 262,967.20
  4. Step 4: Simplify right side
    265,040.80x = 104,602,777,255.36
  5. Step 5: Solve for x
    x = 104,602,777,255.36/265,040.80
  6. Step 6: Final answer
    x = 394,666.70

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