Home / 811,809.61-1,120,280.49-449,233.23

Finding the Fourth Proportional to 811,809.61, 1,120,280.49 and 449,233.23

Calculator

Solution

The fourth proportional to 811,809.61, 1,120,280.49 and 449,233.23 is: 619,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,809.61 : 1,120,280.49 = 449,233.23 : x
  2. Step 2: Convert to fraction form
    811,809.61/1,120,280.49 = 449,233.23/x
  3. Step 3: Cross multiply
    811,809.61x = 1,120,280.49 × 449,233.23
  4. Step 4: Simplify right side
    811,809.61x = 503,267,223,028.68
  5. Step 5: Solve for x
    x = 503,267,223,028.68/811,809.61
  6. Step 6: Final answer
    x = 619,932.58

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.