Home / 681,458.54-940,414.14-409,530.60

Finding the Fourth Proportional to 681,458.54, 940,414.14 and 409,530.60

Calculator

Solution

The fourth proportional to 681,458.54, 940,414.14 and 409,530.60 is: 565,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,458.54 : 940,414.14 = 409,530.60 : x
  2. Step 2: Convert to fraction form
    681,458.54/940,414.14 = 409,530.60/x
  3. Step 3: Cross multiply
    681,458.54x = 940,414.14 × 409,530.60
  4. Step 4: Simplify right side
    681,458.54x = 385,128,367,002.68
  5. Step 5: Solve for x
    x = 385,128,367,002.68/681,458.54
  6. Step 6: Final answer
    x = 565,153.05

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.