Home / 874.97-1,207.47-481.98

Finding the Fourth Proportional to 874.97, 1,207.47 and 481.98

Calculator

Solution

The fourth proportional to 874.97, 1,207.47 and 481.98 is: 665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    874.97 : 1,207.47 = 481.98 : x
  2. Step 2: Convert to fraction form
    874.97/1,207.47 = 481.98/x
  3. Step 3: Cross multiply
    874.97x = 1,207.47 × 481.98
  4. Step 4: Simplify right side
    874.97x = 581,982.73
  5. Step 5: Solve for x
    x = 581,982.73/874.97
  6. Step 6: Final answer
    x = 665.15

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.