Home / 390,747.27-539,260.20-218,682.48

Finding the Fourth Proportional to 390,747.27, 539,260.20 and 218,682.48

Calculator

Solution

The fourth proportional to 390,747.27, 539,260.20 and 218,682.48 is: 301,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,747.27 : 539,260.20 = 218,682.48 : x
  2. Step 2: Convert to fraction form
    390,747.27/539,260.20 = 218,682.48/x
  3. Step 3: Cross multiply
    390,747.27x = 539,260.20 × 218,682.48
  4. Step 4: Simplify right side
    390,747.27x = 117,926,757,901.30
  5. Step 5: Solve for x
    x = 117,926,757,901.30/390,747.27
  6. Step 6: Final answer
    x = 301,798.03

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.