Home / 697.15-1,044.82-285.80

Finding the Fourth Proportional to 697.15, 1,044.82 and 285.80

Calculator

Solution

The fourth proportional to 697.15, 1,044.82 and 285.80 is: 428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.15 : 1,044.82 = 285.80 : x
  2. Step 2: Convert to fraction form
    697.15/1,044.82 = 285.80/x
  3. Step 3: Cross multiply
    697.15x = 1,044.82 × 285.80
  4. Step 4: Simplify right side
    697.15x = 298,609.56
  5. Step 5: Solve for x
    x = 298,609.56/697.15
  6. Step 6: Final answer
    x = 428.33

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.