Home / 726-1,002-415.44

Finding the Fourth Proportional to 726, 1,002 and 415.44

Calculator

Solution

The fourth proportional to 726, 1,002 and 415.44 is: 573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    726 : 1,002 = 415.44 : x
  2. Step 2: Convert to fraction form
    726/1,002 = 415.44/x
  3. Step 3: Cross multiply
    726x = 1,002 × 415.44
  4. Step 4: Simplify right side
    726x = 416,270.88
  5. Step 5: Solve for x
    x = 416,270.88/726
  6. Step 6: Final answer
    x = 573.38

Related Problems

Find fourth proportional to 363, 501 and 207.72
Half scale
Find fourth proportional to 1,452, 2,004 and 830.88
Double scale
Find fourth proportional to 727, 1,003.38 and 416.44
Similar ratio
Find fourth proportional to 1,089, 1,503 and 623.16
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.