Home / 577.02-797.13-499.26

Finding the Fourth Proportional to 577.02, 797.13 and 499.26

Calculator

Solution

The fourth proportional to 577.02, 797.13 and 499.26 is: 689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.02 : 797.13 = 499.26 : x
  2. Step 2: Convert to fraction form
    577.02/797.13 = 499.26/x
  3. Step 3: Cross multiply
    577.02x = 797.13 × 499.26
  4. Step 4: Simplify right side
    577.02x = 397,975.12
  5. Step 5: Solve for x
    x = 397,975.12/577.02
  6. Step 6: Final answer
    x = 689.71

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.