Home / 996-1,494-312

Finding the Fourth Proportional to 996, 1,494 and 312

Calculator

Solution

The fourth proportional to 996, 1,494 and 312 is: 468

Step by Step Solution

  1. Step 1: Write the proportion equation
    996 : 1,494 = 312 : x
  2. Step 2: Convert to fraction form
    996/1,494 = 312/x
  3. Step 3: Cross multiply
    996x = 1,494 × 312
  4. Step 4: Simplify right side
    996x = 466,128
  5. Step 5: Solve for x
    x = 466,128/996
  6. Step 6: Final answer
    x = 468

Related Problems

Find fourth proportional to 498, 747 and 156
Half scale
Find fourth proportional to 1,992, 2,988 and 624
Double scale
Find fourth proportional to 997, 1,495.50 and 313
Similar ratio
Find fourth proportional to 1,494, 2,241 and 468
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.