Home / 620.92-857.23-432.14

Finding the Fourth Proportional to 620.92, 857.23 and 432.14

Calculator

Solution

The fourth proportional to 620.92, 857.23 and 432.14 is: 596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.92 : 857.23 = 432.14 : x
  2. Step 2: Convert to fraction form
    620.92/857.23 = 432.14/x
  3. Step 3: Cross multiply
    620.92x = 857.23 × 432.14
  4. Step 4: Simplify right side
    620.92x = 370,447.67
  5. Step 5: Solve for x
    x = 370,447.67/620.92
  6. Step 6: Final answer
    x = 596.61

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.