Home / 494,147.53-681,996.72-312,876.28

Finding the Fourth Proportional to 494,147.53, 681,996.72 and 312,876.28

Calculator

Solution

The fourth proportional to 494,147.53, 681,996.72 and 312,876.28 is: 431,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,147.53 : 681,996.72 = 312,876.28 : x
  2. Step 2: Convert to fraction form
    494,147.53/681,996.72 = 312,876.28/x
  3. Step 3: Cross multiply
    494,147.53x = 681,996.72 × 312,876.28
  4. Step 4: Simplify right side
    494,147.53x = 213,380,596,725.80
  5. Step 5: Solve for x
    x = 213,380,596,725.80/494,147.53
  6. Step 6: Final answer
    x = 431,815.57

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.