Home / 755.73-1,131.21-523.44

Finding the Fourth Proportional to 755.73, 1,131.21 and 523.44

Calculator

Solution

The fourth proportional to 755.73, 1,131.21 and 523.44 is: 783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.73 : 1,131.21 = 523.44 : x
  2. Step 2: Convert to fraction form
    755.73/1,131.21 = 523.44/x
  3. Step 3: Cross multiply
    755.73x = 1,131.21 × 523.44
  4. Step 4: Simplify right side
    755.73x = 592,120.56
  5. Step 5: Solve for x
    x = 592,120.56/755.73
  6. Step 6: Final answer
    x = 783.51

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.