Home / 682,403.37-1,022,884.71-255,660.44

Finding the Fourth Proportional to 682,403.37, 1,022,884.71 and 255,660.44

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Solution

The fourth proportional to 682,403.37, 1,022,884.71 and 255,660.44 is: 383,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,403.37 : 1,022,884.71 = 255,660.44 : x
  2. Step 2: Convert to fraction form
    682,403.37/1,022,884.71 = 255,660.44/x
  3. Step 3: Cross multiply
    682,403.37x = 1,022,884.71 × 255,660.44
  4. Step 4: Simplify right side
    682,403.37x = 261,511,148,954.72
  5. Step 5: Solve for x
    x = 261,511,148,954.72/682,403.37
  6. Step 6: Final answer
    x = 383,220.78

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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.