Home / 827.22-1,139.63-531.98

Finding the Fourth Proportional to 827.22, 1,139.63 and 531.98

Calculator

Solution

The fourth proportional to 827.22, 1,139.63 and 531.98 is: 732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    827.22 : 1,139.63 = 531.98 : x
  2. Step 2: Convert to fraction form
    827.22/1,139.63 = 531.98/x
  3. Step 3: Cross multiply
    827.22x = 1,139.63 × 531.98
  4. Step 4: Simplify right side
    827.22x = 606,252.01
  5. Step 5: Solve for x
    x = 606,252.01/827.22
  6. Step 6: Final answer
    x = 732.88

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.