Home / 846.83-1,270.65-413.75

Finding the Fourth Proportional to 846.83, 1,270.65 and 413.75

Calculator

Solution

The fourth proportional to 846.83, 1,270.65 and 413.75 is: 620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.83 : 1,270.65 = 413.75 : x
  2. Step 2: Convert to fraction form
    846.83/1,270.65 = 413.75/x
  3. Step 3: Cross multiply
    846.83x = 1,270.65 × 413.75
  4. Step 4: Simplify right side
    846.83x = 525,731.44
  5. Step 5: Solve for x
    x = 525,731.44/846.83
  6. Step 6: Final answer
    x = 620.82

Related Problems

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.