Home / 420,843.80-580,764.45-229,857.64

Finding the Fourth Proportional to 420,843.80, 580,764.45 and 229,857.64

Calculator

Solution

The fourth proportional to 420,843.80, 580,764.45 and 229,857.64 is: 317,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,843.80 : 580,764.45 = 229,857.64 : x
  2. Step 2: Convert to fraction form
    420,843.80/580,764.45 = 229,857.64/x
  3. Step 3: Cross multiply
    420,843.80x = 580,764.45 × 229,857.64
  4. Step 4: Simplify right side
    420,843.80x = 133,493,147,256.80
  5. Step 5: Solve for x
    x = 133,493,147,256.80/420,843.80
  6. Step 6: Final answer
    x = 317,203.55

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.