Home / 725.20-999.85-592.28

Finding the Fourth Proportional to 725.20, 999.85 and 592.28

Calculator

Solution

The fourth proportional to 725.20, 999.85 and 592.28 is: 816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.20 : 999.85 = 592.28 : x
  2. Step 2: Convert to fraction form
    725.20/999.85 = 592.28/x
  3. Step 3: Cross multiply
    725.20x = 999.85 × 592.28
  4. Step 4: Simplify right side
    725.20x = 592,191.67
  5. Step 5: Solve for x
    x = 592,191.67/725.20
  6. Step 6: Final answer
    x = 816.59

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.