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Finding the Fourth Proportional to 485,806.29, 670,382.37 and 268,017.77

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Solution

The fourth proportional to 485,806.29, 670,382.37 and 268,017.77 is: 369,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,806.29 : 670,382.37 = 268,017.77 : x
  2. Step 2: Convert to fraction form
    485,806.29/670,382.37 = 268,017.77/x
  3. Step 3: Cross multiply
    485,806.29x = 670,382.37 × 268,017.77
  4. Step 4: Simplify right side
    485,806.29x = 179,674,384,502.80
  5. Step 5: Solve for x
    x = 179,674,384,502.80/485,806.29
  6. Step 6: Final answer
    x = 369,847.79

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