Home / 394,950.20-592,496.58-128,687

Finding the Fourth Proportional to 394,950.20, 592,496.58 and 128,687

Calculator

Solution

The fourth proportional to 394,950.20, 592,496.58 and 128,687 is: 193,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,950.20 : 592,496.58 = 128,687 : x
  2. Step 2: Convert to fraction form
    394,950.20/592,496.58 = 128,687/x
  3. Step 3: Cross multiply
    394,950.20x = 592,496.58 × 128,687
  4. Step 4: Simplify right side
    394,950.20x = 76,246,607,390.46
  5. Step 5: Solve for x
    x = 76,246,607,390.46/394,950.20
  6. Step 6: Final answer
    x = 193,053.73

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.