Home / 755.38-1,131.03-523.78

Finding the Fourth Proportional to 755.38, 1,131.03 and 523.78

Calculator

Solution

The fourth proportional to 755.38, 1,131.03 and 523.78 is: 784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.38 : 1,131.03 = 523.78 : x
  2. Step 2: Convert to fraction form
    755.38/1,131.03 = 523.78/x
  3. Step 3: Cross multiply
    755.38x = 1,131.03 × 523.78
  4. Step 4: Simplify right side
    755.38x = 592,410.89
  5. Step 5: Solve for x
    x = 592,410.89/755.38
  6. Step 6: Final answer
    x = 784.26

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.