Home / 754,436.20-1,131,621.90-255,800.20

Finding the Fourth Proportional to 754,436.20, 1,131,621.90 and 255,800.20

Calculator

Solution

The fourth proportional to 754,436.20, 1,131,621.90 and 255,800.20 is: 383,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,436.20 : 1,131,621.90 = 255,800.20 : x
  2. Step 2: Convert to fraction form
    754,436.20/1,131,621.90 = 255,800.20/x
  3. Step 3: Cross multiply
    754,436.20x = 1,131,621.90 × 255,800.20
  4. Step 4: Simplify right side
    754,436.20x = 289,469,108,344.38
  5. Step 5: Solve for x
    x = 289,469,108,344.38/754,436.20
  6. Step 6: Final answer
    x = 383,689.31

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.