Home / 391,174.59-586,761.90-213,584.73

Finding the Fourth Proportional to 391,174.59, 586,761.90 and 213,584.73

Calculator

Solution

The fourth proportional to 391,174.59, 586,761.90 and 213,584.73 is: 320,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,174.59 : 586,761.90 = 213,584.73 : x
  2. Step 2: Convert to fraction form
    391,174.59/586,761.90 = 213,584.73/x
  3. Step 3: Cross multiply
    391,174.59x = 586,761.90 × 213,584.73
  4. Step 4: Simplify right side
    391,174.59x = 125,323,381,985.79
  5. Step 5: Solve for x
    x = 125,323,381,985.79/391,174.59
  6. Step 6: Final answer
    x = 320,377.10

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.