Home / 967.44-1,451.16-678

Finding the Fourth Proportional to 967.44, 1,451.16 and 678

Calculator

Solution

The fourth proportional to 967.44, 1,451.16 and 678 is: 1,017

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.44 : 1,451.16 = 678 : x
  2. Step 2: Convert to fraction form
    967.44/1,451.16 = 678/x
  3. Step 3: Cross multiply
    967.44x = 1,451.16 × 678
  4. Step 4: Simplify right side
    967.44x = 983,886.48
  5. Step 5: Solve for x
    x = 983,886.48/967.44
  6. Step 6: Final answer
    x = 1,017

Related Problems

Find fourth proportional to 483.72, 725.58 and 339
Half scale
Find fourth proportional to 1,934.88, 2,902.32 and 1,356
Double scale
Find fourth proportional to 968.44, 1,452.66 and 679
Similar ratio
Find fourth proportional to 1,451.16, 2,176.74 and 1,017
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.