Home / 960-1,440-527.04

Finding the Fourth Proportional to 960, 1,440 and 527.04

Calculator

Solution

The fourth proportional to 960, 1,440 and 527.04 is: 790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    960 : 1,440 = 527.04 : x
  2. Step 2: Convert to fraction form
    960/1,440 = 527.04/x
  3. Step 3: Cross multiply
    960x = 1,440 × 527.04
  4. Step 4: Simplify right side
    960x = 758,937.60
  5. Step 5: Solve for x
    x = 758,937.60/960
  6. Step 6: Final answer
    x = 790.56

Related Problems

Find fourth proportional to 480, 720 and 263.52
Half scale
Find fourth proportional to 1,920, 2,880 and 1,054.08
Double scale
Find fourth proportional to 961, 1,441.50 and 528.04
Similar ratio
Find fourth proportional to 1,440, 2,160 and 790.56
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.