Home / 849.18-1,171.04-637.77

Finding the Fourth Proportional to 849.18, 1,171.04 and 637.77

Calculator

Solution

The fourth proportional to 849.18, 1,171.04 and 637.77 is: 879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.18 : 1,171.04 = 637.77 : x
  2. Step 2: Convert to fraction form
    849.18/1,171.04 = 637.77/x
  3. Step 3: Cross multiply
    849.18x = 1,171.04 × 637.77
  4. Step 4: Simplify right side
    849.18x = 746,854.18
  5. Step 5: Solve for x
    x = 746,854.18/849.18
  6. Step 6: Final answer
    x = 879.50

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.