Home / 774.19-1,161.05-335.34

Finding the Fourth Proportional to 774.19, 1,161.05 and 335.34

Calculator

Solution

The fourth proportional to 774.19, 1,161.05 and 335.34 is: 502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    774.19 : 1,161.05 = 335.34 : x
  2. Step 2: Convert to fraction form
    774.19/1,161.05 = 335.34/x
  3. Step 3: Cross multiply
    774.19x = 1,161.05 × 335.34
  4. Step 4: Simplify right side
    774.19x = 389,346.09
  5. Step 5: Solve for x
    x = 389,346.09/774.19
  6. Step 6: Final answer
    x = 502.91

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.