Home / 949.48-1,413.15-940.36

Finding the Fourth Proportional to 949.48, 1,413.15 and 940.36

Calculator

Solution

The fourth proportional to 949.48, 1,413.15 and 940.36 is: 1,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.48 : 1,413.15 = 940.36 : x
  2. Step 2: Convert to fraction form
    949.48/1,413.15 = 940.36/x
  3. Step 3: Cross multiply
    949.48x = 1,413.15 × 940.36
  4. Step 4: Simplify right side
    949.48x = 1,328,869.73
  5. Step 5: Solve for x
    x = 1,328,869.73/949.48
  6. Step 6: Final answer
    x = 1,399.58

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.