Home / 696.10-961.39-540.61

Finding the Fourth Proportional to 696.10, 961.39 and 540.61

Calculator

Solution

The fourth proportional to 696.10, 961.39 and 540.61 is: 746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.10 : 961.39 = 540.61 : x
  2. Step 2: Convert to fraction form
    696.10/961.39 = 540.61/x
  3. Step 3: Cross multiply
    696.10x = 961.39 × 540.61
  4. Step 4: Simplify right side
    696.10x = 519,737.05
  5. Step 5: Solve for x
    x = 519,737.05/696.10
  6. Step 6: Final answer
    x = 746.64

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.