Home / 435,643.20-653,464.80-225,691.20

Finding the Fourth Proportional to 435,643.20, 653,464.80 and 225,691.20

Calculator

Solution

The fourth proportional to 435,643.20, 653,464.80 and 225,691.20 is: 338,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,643.20 : 653,464.80 = 225,691.20 : x
  2. Step 2: Convert to fraction form
    435,643.20/653,464.80 = 225,691.20/x
  3. Step 3: Cross multiply
    435,643.20x = 653,464.80 × 225,691.20
  4. Step 4: Simplify right side
    435,643.20x = 147,481,254,869.76
  5. Step 5: Solve for x
    x = 147,481,254,869.76/435,643.20
  6. Step 6: Final answer
    x = 338,536.80

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.