Home / 483,550.26-667,268.70-268,677.78

Finding the Fourth Proportional to 483,550.26, 667,268.70 and 268,677.78

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Solution

The fourth proportional to 483,550.26, 667,268.70 and 268,677.78 is: 370,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,550.26 : 667,268.70 = 268,677.78 : x
  2. Step 2: Convert to fraction form
    483,550.26/667,268.70 = 268,677.78/x
  3. Step 3: Cross multiply
    483,550.26x = 667,268.70 × 268,677.78
  4. Step 4: Simplify right side
    483,550.26x = 179,280,272,979.49
  5. Step 5: Solve for x
    x = 179,280,272,979.49/483,550.26
  6. Step 6: Final answer
    x = 370,758.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.