Home / 1,779.11-2,668.30-480.27

Finding the Fourth Proportional to 1,779.11, 2,668.30 and 480.27

Calculator

Solution

The fourth proportional to 1,779.11, 2,668.30 and 480.27 is: 720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.11 : 2,668.30 = 480.27 : x
  2. Step 2: Convert to fraction form
    1,779.11/2,668.30 = 480.27/x
  3. Step 3: Cross multiply
    1,779.11x = 2,668.30 × 480.27
  4. Step 4: Simplify right side
    1,779.11x = 1,281,504.44
  5. Step 5: Solve for x
    x = 1,281,504.44/1,779.11
  6. Step 6: Final answer
    x = 720.31

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.