Home / 637.24-878.34-497.08

Finding the Fourth Proportional to 637.24, 878.34 and 497.08

Calculator

Solution

The fourth proportional to 637.24, 878.34 and 497.08 is: 685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.24 : 878.34 = 497.08 : x
  2. Step 2: Convert to fraction form
    637.24/878.34 = 497.08/x
  3. Step 3: Cross multiply
    637.24x = 878.34 × 497.08
  4. Step 4: Simplify right side
    637.24x = 436,605.25
  5. Step 5: Solve for x
    x = 436,605.25/637.24
  6. Step 6: Final answer
    x = 685.15

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.