Home / 749.92-1,129.06-659.20

Finding the Fourth Proportional to 749.92, 1,129.06 and 659.20

Calculator

Solution

The fourth proportional to 749.92, 1,129.06 and 659.20 is: 992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.92 : 1,129.06 = 659.20 : x
  2. Step 2: Convert to fraction form
    749.92/1,129.06 = 659.20/x
  3. Step 3: Cross multiply
    749.92x = 1,129.06 × 659.20
  4. Step 4: Simplify right side
    749.92x = 744,276.35
  5. Step 5: Solve for x
    x = 744,276.35/749.92
  6. Step 6: Final answer
    x = 992.47

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.