Home / 820.52-1,132.74-558.44

Finding the Fourth Proportional to 820.52, 1,132.74 and 558.44

Calculator

Solution

The fourth proportional to 820.52, 1,132.74 and 558.44 is: 770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    820.52 : 1,132.74 = 558.44 : x
  2. Step 2: Convert to fraction form
    820.52/1,132.74 = 558.44/x
  3. Step 3: Cross multiply
    820.52x = 1,132.74 × 558.44
  4. Step 4: Simplify right side
    820.52x = 632,567.33
  5. Step 5: Solve for x
    x = 632,567.33/820.52
  6. Step 6: Final answer
    x = 770.93

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.