Home / 632,448-948,672-189,216

Finding the Fourth Proportional to 632,448, 948,672 and 189,216

Calculator

Solution

The fourth proportional to 632,448, 948,672 and 189,216 is: 283,824

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,448 : 948,672 = 189,216 : x
  2. Step 2: Convert to fraction form
    632,448/948,672 = 189,216/x
  3. Step 3: Cross multiply
    632,448x = 948,672 × 189,216
  4. Step 4: Simplify right side
    632,448x = 179,503,921,152
  5. Step 5: Solve for x
    x = 179,503,921,152/632,448
  6. Step 6: Final answer
    x = 283,824

Related Problems

Find fourth proportional to 316,224, 474,336 and 94,608
Half scale
Find fourth proportional to 1,264,896, 1,897,344 and 378,432
Double scale
Find fourth proportional to 632,449, 948,673.50 and 189,217
Similar ratio
Find fourth proportional to 948,672, 1,423,008 and 283,824
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.