Home / 722,205.76-1,082,645.26-248,778.60

Finding the Fourth Proportional to 722,205.76, 1,082,645.26 and 248,778.60

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Solution

The fourth proportional to 722,205.76, 1,082,645.26 and 248,778.60 is: 372,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,205.76 : 1,082,645.26 = 248,778.60 : x
  2. Step 2: Convert to fraction form
    722,205.76/1,082,645.26 = 248,778.60/x
  3. Step 3: Cross multiply
    722,205.76x = 1,082,645.26 × 248,778.60
  4. Step 4: Simplify right side
    722,205.76x = 269,338,972,079.44
  5. Step 5: Solve for x
    x = 269,338,972,079.44/722,205.76
  6. Step 6: Final answer
    x = 372,939.39

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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.