Home / 815,959.92-1,223,064.84-394,656.24

Finding the Fourth Proportional to 815,959.92, 1,223,064.84 and 394,656.24

Calculator

Solution

The fourth proportional to 815,959.92, 1,223,064.84 and 394,656.24 is: 591,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,959.92 : 1,223,064.84 = 394,656.24 : x
  2. Step 2: Convert to fraction form
    815,959.92/1,223,064.84 = 394,656.24/x
  3. Step 3: Cross multiply
    815,959.92x = 1,223,064.84 × 394,656.24
  4. Step 4: Simplify right side
    815,959.92x = 482,690,171,030.60
  5. Step 5: Solve for x
    x = 482,690,171,030.60/815,959.92
  6. Step 6: Final answer
    x = 591,561.13

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.