Home / 520.08-717.73-299.05

Finding the Fourth Proportional to 520.08, 717.73 and 299.05

Calculator

Solution

The fourth proportional to 520.08, 717.73 and 299.05 is: 412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    520.08 : 717.73 = 299.05 : x
  2. Step 2: Convert to fraction form
    520.08/717.73 = 299.05/x
  3. Step 3: Cross multiply
    520.08x = 717.73 × 299.05
  4. Step 4: Simplify right side
    520.08x = 214,637.16
  5. Step 5: Solve for x
    x = 214,637.16/520.08
  6. Step 6: Final answer
    x = 412.70

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.