Home / 396,539.96-547,438.38-305,696.84

Finding the Fourth Proportional to 396,539.96, 547,438.38 and 305,696.84

Calculator

Solution

The fourth proportional to 396,539.96, 547,438.38 and 305,696.84 is: 422,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,539.96 : 547,438.38 = 305,696.84 : x
  2. Step 2: Convert to fraction form
    396,539.96/547,438.38 = 305,696.84/x
  3. Step 3: Cross multiply
    396,539.96x = 547,438.38 × 305,696.84
  4. Step 4: Simplify right side
    396,539.96x = 167,350,182,860.72
  5. Step 5: Solve for x
    x = 167,350,182,860.72/396,539.96
  6. Step 6: Final answer
    x = 422,026.02

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.