Home / 503.51-754.05-286.43

Finding the Fourth Proportional to 503.51, 754.05 and 286.43

Calculator

Solution

The fourth proportional to 503.51, 754.05 and 286.43 is: 428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.51 : 754.05 = 286.43 : x
  2. Step 2: Convert to fraction form
    503.51/754.05 = 286.43/x
  3. Step 3: Cross multiply
    503.51x = 754.05 × 286.43
  4. Step 4: Simplify right side
    503.51x = 215,982.54
  5. Step 5: Solve for x
    x = 215,982.54/503.51
  6. Step 6: Final answer
    x = 428.95

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.