Home / 518,595.22-715,669.05-289,145.71

Finding the Fourth Proportional to 518,595.22, 715,669.05 and 289,145.71

Calculator

Solution

The fourth proportional to 518,595.22, 715,669.05 and 289,145.71 is: 399,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,595.22 : 715,669.05 = 289,145.71 : x
  2. Step 2: Convert to fraction form
    518,595.22/715,669.05 = 289,145.71/x
  3. Step 3: Cross multiply
    518,595.22x = 715,669.05 × 289,145.71
  4. Step 4: Simplify right side
    518,595.22x = 206,932,635,587.28
  5. Step 5: Solve for x
    x = 206,932,635,587.28/518,595.22
  6. Step 6: Final answer
    x = 399,025.34

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.