Home / 526,245.76-726,208.32-287,781.76

Finding the Fourth Proportional to 526,245.76, 726,208.32 and 287,781.76

Calculator

Solution

The fourth proportional to 526,245.76, 726,208.32 and 287,781.76 is: 397,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,245.76 : 726,208.32 = 287,781.76 : x
  2. Step 2: Convert to fraction form
    526,245.76/726,208.32 = 287,781.76/x
  3. Step 3: Cross multiply
    526,245.76x = 726,208.32 × 287,781.76
  4. Step 4: Simplify right side
    526,245.76x = 208,989,508,456.24
  5. Step 5: Solve for x
    x = 208,989,508,456.24/526,245.76
  6. Step 6: Final answer
    x = 397,132.91

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.