Home / 829.44-1,143.82-663.19

Finding the Fourth Proportional to 829.44, 1,143.82 and 663.19

Calculator

Solution

The fourth proportional to 829.44, 1,143.82 and 663.19 is: 914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    829.44 : 1,143.82 = 663.19 : x
  2. Step 2: Convert to fraction form
    829.44/1,143.82 = 663.19/x
  3. Step 3: Cross multiply
    829.44x = 1,143.82 × 663.19
  4. Step 4: Simplify right side
    829.44x = 758,567.96
  5. Step 5: Solve for x
    x = 758,567.96/829.44
  6. Step 6: Final answer
    x = 914.55

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.