Home / 605,222.20-907,833.30-392,645.80

Finding the Fourth Proportional to 605,222.20, 907,833.30 and 392,645.80

Calculator

Solution

The fourth proportional to 605,222.20, 907,833.30 and 392,645.80 is: 588,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,222.20 : 907,833.30 = 392,645.80 : x
  2. Step 2: Convert to fraction form
    605,222.20/907,833.30 = 392,645.80/x
  3. Step 3: Cross multiply
    605,222.20x = 907,833.30 × 392,645.80
  4. Step 4: Simplify right side
    605,222.20x = 356,456,932,345.14
  5. Step 5: Solve for x
    x = 356,456,932,345.14/605,222.20
  6. Step 6: Final answer
    x = 588,968.70

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.