Home / 943-1,414.50-885.29

Finding the Fourth Proportional to 943, 1,414.50 and 885.29

Calculator

Solution

The fourth proportional to 943, 1,414.50 and 885.29 is: 1,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    943 : 1,414.50 = 885.29 : x
  2. Step 2: Convert to fraction form
    943/1,414.50 = 885.29/x
  3. Step 3: Cross multiply
    943x = 1,414.50 × 885.29
  4. Step 4: Simplify right side
    943x = 1,252,242.71
  5. Step 5: Solve for x
    x = 1,252,242.71/943
  6. Step 6: Final answer
    x = 1,327.94

Related Problems

Find fourth proportional to 471.50, 707.25 and 442.65
Half scale
Find fourth proportional to 1,886, 2,829 and 1,770.58
Double scale
Find fourth proportional to 944, 1,416 and 886.29
Similar ratio
Find fourth proportional to 1,414.50, 2,121.75 and 1,327.94
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.