Home / 1,089.26-1,633.40-650.71

Finding the Fourth Proportional to 1,089.26, 1,633.40 and 650.71

Calculator

Solution

The fourth proportional to 1,089.26, 1,633.40 and 650.71 is: 975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089.26 : 1,633.40 = 650.71 : x
  2. Step 2: Convert to fraction form
    1,089.26/1,633.40 = 650.71/x
  3. Step 3: Cross multiply
    1,089.26x = 1,633.40 × 650.71
  4. Step 4: Simplify right side
    1,089.26x = 1,062,858.29
  5. Step 5: Solve for x
    x = 1,062,858.29/1,089.26
  6. Step 6: Final answer
    x = 975.76

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.