Home / 433,090.08-649,635.12-211,284

Finding the Fourth Proportional to 433,090.08, 649,635.12 and 211,284

Calculator

Solution

The fourth proportional to 433,090.08, 649,635.12 and 211,284 is: 316,926

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,090.08 : 649,635.12 = 211,284 : x
  2. Step 2: Convert to fraction form
    433,090.08/649,635.12 = 211,284/x
  3. Step 3: Cross multiply
    433,090.08x = 649,635.12 × 211,284
  4. Step 4: Simplify right side
    433,090.08x = 137,257,506,694.08
  5. Step 5: Solve for x
    x = 137,257,506,694.08/433,090.08
  6. Step 6: Final answer
    x = 316,926

Related Problems

Find fourth proportional to 216,545.04, 324,817.56 and 105,642
Half scale
Find fourth proportional to 866,180.16, 1,299,270.24 and 422,568
Double scale
Find fourth proportional to 433,091.08, 649,636.62 and 211,285
Similar ratio
Find fourth proportional to 649,635.12, 974,452.68 and 316,926
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.