Home / 909,229.47-1,363,794.77-278,143.28

Finding the Fourth Proportional to 909,229.47, 1,363,794.77 and 278,143.28

Calculator

Solution

The fourth proportional to 909,229.47, 1,363,794.77 and 278,143.28 is: 417,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,229.47 : 1,363,794.77 = 278,143.28 : x
  2. Step 2: Convert to fraction form
    909,229.47/1,363,794.77 = 278,143.28/x
  3. Step 3: Cross multiply
    909,229.47x = 1,363,794.77 × 278,143.28
  4. Step 4: Simplify right side
    909,229.47x = 379,330,349,183.93
  5. Step 5: Solve for x
    x = 379,330,349,183.93/909,229.47
  6. Step 6: Final answer
    x = 417,199.80

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.