Home / 853.44-1,176.60-558.60

Finding the Fourth Proportional to 853.44, 1,176.60 and 558.60

Calculator

Solution

The fourth proportional to 853.44, 1,176.60 and 558.60 is: 770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853.44 : 1,176.60 = 558.60 : x
  2. Step 2: Convert to fraction form
    853.44/1,176.60 = 558.60/x
  3. Step 3: Cross multiply
    853.44x = 1,176.60 × 558.60
  4. Step 4: Simplify right side
    853.44x = 657,248.76
  5. Step 5: Solve for x
    x = 657,248.76/853.44
  6. Step 6: Final answer
    x = 770.12

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.