Home / 763.59-1,146-734.43

Finding the Fourth Proportional to 763.59, 1,146 and 734.43

Calculator

Solution

The fourth proportional to 763.59, 1,146 and 734.43 is: 1,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    763.59 : 1,146 = 734.43 : x
  2. Step 2: Convert to fraction form
    763.59/1,146 = 734.43/x
  3. Step 3: Cross multiply
    763.59x = 1,146 × 734.43
  4. Step 4: Simplify right side
    763.59x = 841,656.78
  5. Step 5: Solve for x
    x = 841,656.78/763.59
  6. Step 6: Final answer
    x = 1,102.24

Related Problems

Find fourth proportional to 381.80, 573 and 367.22
Half scale
Find fourth proportional to 1,527.18, 2,292 and 1,468.86
Double scale
Find fourth proportional to 764.59, 1,147.50 and 735.43
Similar ratio
Find fourth proportional to 1,145.39, 1,719 and 1,101.65
1.5x scale

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.