Home / 682.56-941.92-449.28

Finding the Fourth Proportional to 682.56, 941.92 and 449.28

Calculator

Solution

The fourth proportional to 682.56, 941.92 and 449.28 is: 620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.56 : 941.92 = 449.28 : x
  2. Step 2: Convert to fraction form
    682.56/941.92 = 449.28/x
  3. Step 3: Cross multiply
    682.56x = 941.92 × 449.28
  4. Step 4: Simplify right side
    682.56x = 423,185.82
  5. Step 5: Solve for x
    x = 423,185.82/682.56
  6. Step 6: Final answer
    x = 620.00

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.