Home / 454,900-682,350-159,412

Finding the Fourth Proportional to 454,900, 682,350 and 159,412

Calculator

Solution

The fourth proportional to 454,900, 682,350 and 159,412 is: 239,118

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,900 : 682,350 = 159,412 : x
  2. Step 2: Convert to fraction form
    454,900/682,350 = 159,412/x
  3. Step 3: Cross multiply
    454,900x = 682,350 × 159,412
  4. Step 4: Simplify right side
    454,900x = 108,774,778,200
  5. Step 5: Solve for x
    x = 108,774,778,200/454,900
  6. Step 6: Final answer
    x = 239,118

Related Problems

Find fourth proportional to 227,450, 341,175 and 79,706
Half scale
Find fourth proportional to 909,800, 1,364,700 and 318,824
Double scale
Find fourth proportional to 454,901, 682,351.50 and 159,413
Similar ratio
Find fourth proportional to 682,350, 1,023,525 and 239,118
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.