Home / 725.67-1,001.41-394.08

Finding the Fourth Proportional to 725.67, 1,001.41 and 394.08

Calculator

Solution

The fourth proportional to 725.67, 1,001.41 and 394.08 is: 543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.67 : 1,001.41 = 394.08 : x
  2. Step 2: Convert to fraction form
    725.67/1,001.41 = 394.08/x
  3. Step 3: Cross multiply
    725.67x = 1,001.41 × 394.08
  4. Step 4: Simplify right side
    725.67x = 394,635.65
  5. Step 5: Solve for x
    x = 394,635.65/725.67
  6. Step 6: Final answer
    x = 543.82

Related Problems

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.