Home / 574.52-862-572.72

Finding the Fourth Proportional to 574.52, 862 and 572.72

Calculator

Solution

The fourth proportional to 574.52, 862 and 572.72 is: 859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.52 : 862 = 572.72 : x
  2. Step 2: Convert to fraction form
    574.52/862 = 572.72/x
  3. Step 3: Cross multiply
    574.52x = 862 × 572.72
  4. Step 4: Simplify right side
    574.52x = 493,684.64
  5. Step 5: Solve for x
    x = 493,684.64/574.52
  6. Step 6: Final answer
    x = 859.30

Related Problems

Find fourth proportional to 287.26, 431 and 286.36
Half scale
Find fourth proportional to 1,149.04, 1,724 and 1,145.44
Double scale
Find fourth proportional to 575.52, 863.50 and 573.72
Similar ratio
Find fourth proportional to 861.78, 1,293 and 859.08
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.