Home / 1,180.50-1,770-564.36

Finding the Fourth Proportional to 1,180.50, 1,770 and 564.36

Calculator

Solution

The fourth proportional to 1,180.50, 1,770 and 564.36 is: 846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.50 : 1,770 = 564.36 : x
  2. Step 2: Convert to fraction form
    1,180.50/1,770 = 564.36/x
  3. Step 3: Cross multiply
    1,180.50x = 1,770 × 564.36
  4. Step 4: Simplify right side
    1,180.50x = 998,917.20
  5. Step 5: Solve for x
    x = 998,917.20/1,180.50
  6. Step 6: Final answer
    x = 846.18

Related Problems

Find fourth proportional to 590.25, 885 and 282.18
Half scale
Find fourth proportional to 2,361, 3,540 and 1,128.72
Double scale
Find fourth proportional to 1,181.50, 1,771.50 and 565.36
Similar ratio
Find fourth proportional to 1,770.75, 2,655 and 846.54
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.