Home / 655,978.73-905,214.05-361,618.95

Finding the Fourth Proportional to 655,978.73, 905,214.05 and 361,618.95

Calculator

Solution

The fourth proportional to 655,978.73, 905,214.05 and 361,618.95 is: 499,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,978.73 : 905,214.05 = 361,618.95 : x
  2. Step 2: Convert to fraction form
    655,978.73/905,214.05 = 361,618.95/x
  3. Step 3: Cross multiply
    655,978.73x = 905,214.05 × 361,618.95
  4. Step 4: Simplify right side
    655,978.73x = 327,342,552,478.15
  5. Step 5: Solve for x
    x = 327,342,552,478.15/655,978.73
  6. Step 6: Final answer
    x = 499,013.97

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.