Home / 874.23-1,204.75-725.07

Finding the Fourth Proportional to 874.23, 1,204.75 and 725.07

Calculator

Solution

The fourth proportional to 874.23, 1,204.75 and 725.07 is: 999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874.23 : 1,204.75 = 725.07 : x
  2. Step 2: Convert to fraction form
    874.23/1,204.75 = 725.07/x
  3. Step 3: Cross multiply
    874.23x = 1,204.75 × 725.07
  4. Step 4: Simplify right side
    874.23x = 873,528.08
  5. Step 5: Solve for x
    x = 873,528.08/874.23
  6. Step 6: Final answer
    x = 999.20

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.