Home / 758.56-1,137.18-325.64

Finding the Fourth Proportional to 758.56, 1,137.18 and 325.64

Calculator

Solution

The fourth proportional to 758.56, 1,137.18 and 325.64 is: 488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.56 : 1,137.18 = 325.64 : x
  2. Step 2: Convert to fraction form
    758.56/1,137.18 = 325.64/x
  3. Step 3: Cross multiply
    758.56x = 1,137.18 × 325.64
  4. Step 4: Simplify right side
    758.56x = 370,311.30
  5. Step 5: Solve for x
    x = 370,311.30/758.56
  6. Step 6: Final answer
    x = 488.18

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.