Home / 573.90-804-573.90

Finding the Fourth Proportional to 573.90, 804 and 573.90

Calculator

Solution

The fourth proportional to 573.90, 804 and 573.90 is: 804

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.90 : 804 = 573.90 : x
  2. Step 2: Convert to fraction form
    573.90/804 = 573.90/x
  3. Step 3: Cross multiply
    573.90x = 804 × 573.90
  4. Step 4: Simplify right side
    573.90x = 461,415.60
  5. Step 5: Solve for x
    x = 461,415.60/573.90
  6. Step 6: Final answer
    x = 804

Related Problems

Find fourth proportional to 286.95, 402 and 286.95
Half scale
Find fourth proportional to 1,147.80, 1,608 and 1,147.80
Double scale
Find fourth proportional to 574.90, 805.40 and 574.90
Similar ratio
Find fourth proportional to 860.85, 1,206 and 860.85
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.