Home / 325,906.40-488,276.40-279,250.40

Finding the Fourth Proportional to 325,906.40, 488,276.40 and 279,250.40

Calculator

Solution

The fourth proportional to 325,906.40, 488,276.40 and 279,250.40 is: 418,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,906.40 : 488,276.40 = 279,250.40 : x
  2. Step 2: Convert to fraction form
    325,906.40/488,276.40 = 279,250.40/x
  3. Step 3: Cross multiply
    325,906.40x = 488,276.40 × 279,250.40
  4. Step 4: Simplify right side
    325,906.40x = 136,351,380,010.56
  5. Step 5: Solve for x
    x = 136,351,380,010.56/325,906.40
  6. Step 6: Final answer
    x = 418,375.89

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.