Home / 1,016.96-1,525.12-439.36

Finding the Fourth Proportional to 1,016.96, 1,525.12 and 439.36

Calculator

Solution

The fourth proportional to 1,016.96, 1,525.12 and 439.36 is: 658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.96 : 1,525.12 = 439.36 : x
  2. Step 2: Convert to fraction form
    1,016.96/1,525.12 = 439.36/x
  3. Step 3: Cross multiply
    1,016.96x = 1,525.12 × 439.36
  4. Step 4: Simplify right side
    1,016.96x = 670,076.72
  5. Step 5: Solve for x
    x = 670,076.72/1,016.96
  6. Step 6: Final answer
    x = 658.90

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.