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Finding the Fourth Proportional to 539,299.40, 744,232.29 and 297,581.78

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Solution

The fourth proportional to 539,299.40, 744,232.29 and 297,581.78 is: 410,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,299.40 : 744,232.29 = 297,581.78 : x
  2. Step 2: Convert to fraction form
    539,299.40/744,232.29 = 297,581.78/x
  3. Step 3: Cross multiply
    539,299.40x = 744,232.29 × 297,581.78
  4. Step 4: Simplify right side
    539,299.40x = 221,469,965,870.52
  5. Step 5: Solve for x
    x = 221,469,965,870.52/539,299.40
  6. Step 6: Final answer
    x = 410,662.37

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