Home / 560.69-774.43-442.83

Finding the Fourth Proportional to 560.69, 774.43 and 442.83

Calculator

Solution

The fourth proportional to 560.69, 774.43 and 442.83 is: 611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.69 : 774.43 = 442.83 : x
  2. Step 2: Convert to fraction form
    560.69/774.43 = 442.83/x
  3. Step 3: Cross multiply
    560.69x = 774.43 × 442.83
  4. Step 4: Simplify right side
    560.69x = 342,942.63
  5. Step 5: Solve for x
    x = 342,942.63/560.69
  6. Step 6: Final answer
    x = 611.65

Related Problems

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.