Home / 899.64-1,348.50-552.04

Finding the Fourth Proportional to 899.64, 1,348.50 and 552.04

Calculator

Solution

The fourth proportional to 899.64, 1,348.50 and 552.04 is: 827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.64 : 1,348.50 = 552.04 : x
  2. Step 2: Convert to fraction form
    899.64/1,348.50 = 552.04/x
  3. Step 3: Cross multiply
    899.64x = 1,348.50 × 552.04
  4. Step 4: Simplify right side
    899.64x = 744,425.94
  5. Step 5: Solve for x
    x = 744,425.94/899.64
  6. Step 6: Final answer
    x = 827.47

Related Problems

Find fourth proportional to 449.82, 674.25 and 276.02
Half scale
Find fourth proportional to 1,799.28, 2,697 and 1,104.08
Double scale
Find fourth proportional to 900.64, 1,350 and 553.04
Similar ratio
Find fourth proportional to 1,349.46, 2,022.75 and 828.06
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.