Home / 824.34-1,241.40-717.42

Finding the Fourth Proportional to 824.34, 1,241.40 and 717.42

Calculator

Solution

The fourth proportional to 824.34, 1,241.40 and 717.42 is: 1,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    824.34 : 1,241.40 = 717.42 : x
  2. Step 2: Convert to fraction form
    824.34/1,241.40 = 717.42/x
  3. Step 3: Cross multiply
    824.34x = 1,241.40 × 717.42
  4. Step 4: Simplify right side
    824.34x = 890,605.19
  5. Step 5: Solve for x
    x = 890,605.19/824.34
  6. Step 6: Final answer
    x = 1,080.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.