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Finding the Fourth Proportional to 744,695.16, 1,027,689.84 and 405,163.68

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Solution

The fourth proportional to 744,695.16, 1,027,689.84 and 405,163.68 is: 559,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,695.16 : 1,027,689.84 = 405,163.68 : x
  2. Step 2: Convert to fraction form
    744,695.16/1,027,689.84 = 405,163.68/x
  3. Step 3: Cross multiply
    744,695.16x = 1,027,689.84 × 405,163.68
  4. Step 4: Simplify right side
    744,695.16x = 416,382,597,473.01
  5. Step 5: Solve for x
    x = 416,382,597,473.01/744,695.16
  6. Step 6: Final answer
    x = 559,131.60

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