Home / 961.64-1,327.28-612.24

Finding the Fourth Proportional to 961.64, 1,327.28 and 612.24

Calculator

Solution

The fourth proportional to 961.64, 1,327.28 and 612.24 is: 845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.64 : 1,327.28 = 612.24 : x
  2. Step 2: Convert to fraction form
    961.64/1,327.28 = 612.24/x
  3. Step 3: Cross multiply
    961.64x = 1,327.28 × 612.24
  4. Step 4: Simplify right side
    961.64x = 812,613.91
  5. Step 5: Solve for x
    x = 812,613.91/961.64
  6. Step 6: Final answer
    x = 845.03

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.