Home / 857,833.20-1,286,749.80-218,135.70

Finding the Fourth Proportional to 857,833.20, 1,286,749.80 and 218,135.70

Calculator

Solution

The fourth proportional to 857,833.20, 1,286,749.80 and 218,135.70 is: 327,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,833.20 : 1,286,749.80 = 218,135.70 : x
  2. Step 2: Convert to fraction form
    857,833.20/1,286,749.80 = 218,135.70/x
  3. Step 3: Cross multiply
    857,833.20x = 1,286,749.80 × 218,135.70
  4. Step 4: Simplify right side
    857,833.20x = 280,686,068,347.86
  5. Step 5: Solve for x
    x = 280,686,068,347.86/857,833.20
  6. Step 6: Final answer
    x = 327,203.55

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.