Home / 518,856-716,022.24-280,392

Finding the Fourth Proportional to 518,856, 716,022.24 and 280,392

Calculator

Solution

The fourth proportional to 518,856, 716,022.24 and 280,392 is: 386,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,856 : 716,022.24 = 280,392 : x
  2. Step 2: Convert to fraction form
    518,856/716,022.24 = 280,392/x
  3. Step 3: Cross multiply
    518,856x = 716,022.24 × 280,392
  4. Step 4: Simplify right side
    518,856x = 200,766,907,918.08
  5. Step 5: Solve for x
    x = 200,766,907,918.08/518,856
  6. Step 6: Final answer
    x = 386,941.48

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.