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Finding the Fourth Proportional to 488,716.52, 674,428.77 and 297,729.77

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Solution

The fourth proportional to 488,716.52, 674,428.77 and 297,729.77 is: 410,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,716.52 : 674,428.77 = 297,729.77 : x
  2. Step 2: Convert to fraction form
    488,716.52/674,428.77 = 297,729.77/x
  3. Step 3: Cross multiply
    488,716.52x = 674,428.77 × 297,729.77
  4. Step 4: Simplify right side
    488,716.52x = 200,797,519,201.34
  5. Step 5: Solve for x
    x = 200,797,519,201.34/488,716.52
  6. Step 6: Final answer
    x = 410,867.06

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