Home / 805,375.74-1,208,035.65-206,341.86

Finding the Fourth Proportional to 805,375.74, 1,208,035.65 and 206,341.86

Calculator

Solution

The fourth proportional to 805,375.74, 1,208,035.65 and 206,341.86 is: 309,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,375.74 : 1,208,035.65 = 206,341.86 : x
  2. Step 2: Convert to fraction form
    805,375.74/1,208,035.65 = 206,341.86/x
  3. Step 3: Cross multiply
    805,375.74x = 1,208,035.65 × 206,341.86
  4. Step 4: Simplify right side
    805,375.74x = 249,268,322,967.31
  5. Step 5: Solve for x
    x = 249,268,322,967.31/805,375.74
  6. Step 6: Final answer
    x = 309,505.63

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.