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Finding the Fourth Proportional to 275,336.40, 412,313.40 and 262,894.80

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Solution

The fourth proportional to 275,336.40, 412,313.40 and 262,894.80 is: 393,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,336.40 : 412,313.40 = 262,894.80 : x
  2. Step 2: Convert to fraction form
    275,336.40/412,313.40 = 262,894.80/x
  3. Step 3: Cross multiply
    275,336.40x = 412,313.40 × 262,894.80
  4. Step 4: Simplify right side
    275,336.40x = 108,395,048,830.32
  5. Step 5: Solve for x
    x = 108,395,048,830.32/275,336.40
  6. Step 6: Final answer
    x = 393,682.23

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