Home / 411,680-568,118.40-223,264

Finding the Fourth Proportional to 411,680, 568,118.40 and 223,264

Calculator

Solution

The fourth proportional to 411,680, 568,118.40 and 223,264 is: 308,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,680 : 568,118.40 = 223,264 : x
  2. Step 2: Convert to fraction form
    411,680/568,118.40 = 223,264/x
  3. Step 3: Cross multiply
    411,680x = 568,118.40 × 223,264
  4. Step 4: Simplify right side
    411,680x = 126,840,386,457.60
  5. Step 5: Solve for x
    x = 126,840,386,457.60/411,680
  6. Step 6: Final answer
    x = 308,104.32

Related Problems

Find fourth proportional to 205,840, 284,059.20 and 111,632
Half scale
Find fourth proportional to 823,360, 1,136,236.80 and 446,528
Double scale
Find fourth proportional to 411,681, 568,119.78 and 223,265
Similar ratio
Find fourth proportional to 617,520, 852,177.60 and 334,896
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.