Home / 726.18-1,003.37-579.98

Finding the Fourth Proportional to 726.18, 1,003.37 and 579.98

Calculator

Solution

The fourth proportional to 726.18, 1,003.37 and 579.98 is: 801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726.18 : 1,003.37 = 579.98 : x
  2. Step 2: Convert to fraction form
    726.18/1,003.37 = 579.98/x
  3. Step 3: Cross multiply
    726.18x = 1,003.37 × 579.98
  4. Step 4: Simplify right side
    726.18x = 581,926.62
  5. Step 5: Solve for x
    x = 581,926.62/726.18
  6. Step 6: Final answer
    x = 801.35

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.