Home / 880.26-1,214.60-507.26

Finding the Fourth Proportional to 880.26, 1,214.60 and 507.26

Calculator

Solution

The fourth proportional to 880.26, 1,214.60 and 507.26 is: 699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    880.26 : 1,214.60 = 507.26 : x
  2. Step 2: Convert to fraction form
    880.26/1,214.60 = 507.26/x
  3. Step 3: Cross multiply
    880.26x = 1,214.60 × 507.26
  4. Step 4: Simplify right side
    880.26x = 616,109.39
  5. Step 5: Solve for x
    x = 616,109.39/880.26
  6. Step 6: Final answer
    x = 699.92

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.