Home / 784-1,176-264

Finding the Fourth Proportional to 784, 1,176 and 264

Calculator

Solution

The fourth proportional to 784, 1,176 and 264 is: 396

Step by Step Solution

  1. Step 1: Write the proportion equation
    784 : 1,176 = 264 : x
  2. Step 2: Convert to fraction form
    784/1,176 = 264/x
  3. Step 3: Cross multiply
    784x = 1,176 × 264
  4. Step 4: Simplify right side
    784x = 310,464
  5. Step 5: Solve for x
    x = 310,464/784
  6. Step 6: Final answer
    x = 396

Related Problems

Find fourth proportional to 392, 588 and 132
Half scale
Find fourth proportional to 1,568, 2,352 and 528
Double scale
Find fourth proportional to 785, 1,177.50 and 265
Similar ratio
Find fourth proportional to 1,176, 1,764 and 396
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.