Home / 833.88-1,150.80-539.40

Finding the Fourth Proportional to 833.88, 1,150.80 and 539.40

Calculator

Solution

The fourth proportional to 833.88, 1,150.80 and 539.40 is: 744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.88 : 1,150.80 = 539.40 : x
  2. Step 2: Convert to fraction form
    833.88/1,150.80 = 539.40/x
  3. Step 3: Cross multiply
    833.88x = 1,150.80 × 539.40
  4. Step 4: Simplify right side
    833.88x = 620,741.52
  5. Step 5: Solve for x
    x = 620,741.52/833.88
  6. Step 6: Final answer
    x = 744.40

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.