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Finding the Fourth Proportional to 268,321.40, 402,482.10 and 264,384.80

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Solution

The fourth proportional to 268,321.40, 402,482.10 and 264,384.80 is: 396,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,321.40 : 402,482.10 = 264,384.80 : x
  2. Step 2: Convert to fraction form
    268,321.40/402,482.10 = 264,384.80/x
  3. Step 3: Cross multiply
    268,321.40x = 402,482.10 × 264,384.80
  4. Step 4: Simplify right side
    268,321.40x = 106,410,149,512.08
  5. Step 5: Solve for x
    x = 106,410,149,512.08/268,321.40
  6. Step 6: Final answer
    x = 396,577.20

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