Home / 727.65-1,090.26-510.84

Finding the Fourth Proportional to 727.65, 1,090.26 and 510.84

Calculator

Solution

The fourth proportional to 727.65, 1,090.26 and 510.84 is: 765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    727.65 : 1,090.26 = 510.84 : x
  2. Step 2: Convert to fraction form
    727.65/1,090.26 = 510.84/x
  3. Step 3: Cross multiply
    727.65x = 1,090.26 × 510.84
  4. Step 4: Simplify right side
    727.65x = 556,948.42
  5. Step 5: Solve for x
    x = 556,948.42/727.65
  6. Step 6: Final answer
    x = 765.41

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.