Home / 440,998.80-661,498.20-263,414.40

Finding the Fourth Proportional to 440,998.80, 661,498.20 and 263,414.40

Calculator

Solution

The fourth proportional to 440,998.80, 661,498.20 and 263,414.40 is: 395,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,998.80 : 661,498.20 = 263,414.40 : x
  2. Step 2: Convert to fraction form
    440,998.80/661,498.20 = 263,414.40/x
  3. Step 3: Cross multiply
    440,998.80x = 661,498.20 × 263,414.40
  4. Step 4: Simplify right side
    440,998.80x = 174,248,151,454.08
  5. Step 5: Solve for x
    x = 174,248,151,454.08/440,998.80
  6. Step 6: Final answer
    x = 395,121.60

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.