Home / 749.88-1,034.74-418.29

Finding the Fourth Proportional to 749.88, 1,034.74 and 418.29

Calculator

Solution

The fourth proportional to 749.88, 1,034.74 and 418.29 is: 577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.88 : 1,034.74 = 418.29 : x
  2. Step 2: Convert to fraction form
    749.88/1,034.74 = 418.29/x
  3. Step 3: Cross multiply
    749.88x = 1,034.74 × 418.29
  4. Step 4: Simplify right side
    749.88x = 432,821.39
  5. Step 5: Solve for x
    x = 432,821.39/749.88
  6. Step 6: Final answer
    x = 577.19

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.