Home / 961.44-1,441-473.40

Finding the Fourth Proportional to 961.44, 1,441 and 473.40

Calculator

Solution

The fourth proportional to 961.44, 1,441 and 473.40 is: 709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.44 : 1,441 = 473.40 : x
  2. Step 2: Convert to fraction form
    961.44/1,441 = 473.40/x
  3. Step 3: Cross multiply
    961.44x = 1,441 × 473.40
  4. Step 4: Simplify right side
    961.44x = 682,169.40
  5. Step 5: Solve for x
    x = 682,169.40/961.44
  6. Step 6: Final answer
    x = 709.53

Related Problems

Find fourth proportional to 480.72, 720.50 and 236.70
Half scale
Find fourth proportional to 1,922.88, 2,882 and 946.80
Double scale
Find fourth proportional to 962.44, 1,442.50 and 474.40
Similar ratio
Find fourth proportional to 1,442.16, 2,161.50 and 710.10
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.