Home / 639,422.38-959,057.02-497,409.54

Finding the Fourth Proportional to 639,422.38, 959,057.02 and 497,409.54

Calculator

Solution

The fourth proportional to 639,422.38, 959,057.02 and 497,409.54 is: 746,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,422.38 : 959,057.02 = 497,409.54 : x
  2. Step 2: Convert to fraction form
    639,422.38/959,057.02 = 497,409.54/x
  3. Step 3: Cross multiply
    639,422.38x = 959,057.02 × 497,409.54
  4. Step 4: Simplify right side
    639,422.38x = 477,044,111,151.97
  5. Step 5: Solve for x
    x = 477,044,111,151.97/639,422.38
  6. Step 6: Final answer
    x = 746,054.76

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.