Home / 805,211.10-1,207,968.93-265,498.38

Finding the Fourth Proportional to 805,211.10, 1,207,968.93 and 265,498.38

Calculator

Solution

The fourth proportional to 805,211.10, 1,207,968.93 and 265,498.38 is: 398,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,211.10 : 1,207,968.93 = 265,498.38 : x
  2. Step 2: Convert to fraction form
    805,211.10/1,207,968.93 = 265,498.38/x
  3. Step 3: Cross multiply
    805,211.10x = 1,207,968.93 × 265,498.38
  4. Step 4: Simplify right side
    805,211.10x = 320,713,794,005.33
  5. Step 5: Solve for x
    x = 320,713,794,005.33/805,211.10
  6. Step 6: Final answer
    x = 398,297.78

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.