Home / 773.04-1,159.56-285.84

Finding the Fourth Proportional to 773.04, 1,159.56 and 285.84

Calculator

Solution

The fourth proportional to 773.04, 1,159.56 and 285.84 is: 428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.04 : 1,159.56 = 285.84 : x
  2. Step 2: Convert to fraction form
    773.04/1,159.56 = 285.84/x
  3. Step 3: Cross multiply
    773.04x = 1,159.56 × 285.84
  4. Step 4: Simplify right side
    773.04x = 331,448.63
  5. Step 5: Solve for x
    x = 331,448.63/773.04
  6. Step 6: Final answer
    x = 428.76

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.