Home / 682,863.90-1,024,198.65-278,232.60

Finding the Fourth Proportional to 682,863.90, 1,024,198.65 and 278,232.60

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Solution

The fourth proportional to 682,863.90, 1,024,198.65 and 278,232.60 is: 417,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,863.90 : 1,024,198.65 = 278,232.60 : x
  2. Step 2: Convert to fraction form
    682,863.90/1,024,198.65 = 278,232.60/x
  3. Step 3: Cross multiply
    682,863.90x = 1,024,198.65 × 278,232.60
  4. Step 4: Simplify right side
    682,863.90x = 284,965,451,914.83
  5. Step 5: Solve for x
    x = 284,965,451,914.83/682,863.90
  6. Step 6: Final answer
    x = 417,309.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.