Home / 320,582.55-480,873.83-315,916.95

Finding the Fourth Proportional to 320,582.55, 480,873.83 and 315,916.95

Calculator

Solution

The fourth proportional to 320,582.55, 480,873.83 and 315,916.95 is: 473,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,582.55 : 480,873.83 = 315,916.95 : x
  2. Step 2: Convert to fraction form
    320,582.55/480,873.83 = 315,916.95/x
  3. Step 3: Cross multiply
    320,582.55x = 480,873.83 × 315,916.95
  4. Step 4: Simplify right side
    320,582.55x = 151,916,192,128.83
  5. Step 5: Solve for x
    x = 151,916,192,128.83/320,582.55
  6. Step 6: Final answer
    x = 473,875.43

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.