Home / 676.68-1,010.10-666.96

Finding the Fourth Proportional to 676.68, 1,010.10 and 666.96

Calculator

Solution

The fourth proportional to 676.68, 1,010.10 and 666.96 is: 995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.68 : 1,010.10 = 666.96 : x
  2. Step 2: Convert to fraction form
    676.68/1,010.10 = 666.96/x
  3. Step 3: Cross multiply
    676.68x = 1,010.10 × 666.96
  4. Step 4: Simplify right side
    676.68x = 673,696.30
  5. Step 5: Solve for x
    x = 673,696.30/676.68
  6. Step 6: Final answer
    x = 995.59

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.