Home / 516,457.71-774,731.21-142,480.71

Finding the Fourth Proportional to 516,457.71, 774,731.21 and 142,480.71

Calculator

Solution

The fourth proportional to 516,457.71, 774,731.21 and 142,480.71 is: 213,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,457.71 : 774,731.21 = 142,480.71 : x
  2. Step 2: Convert to fraction form
    516,457.71/774,731.21 = 142,480.71/x
  3. Step 3: Cross multiply
    516,457.71x = 774,731.21 × 142,480.71
  4. Step 4: Simplify right side
    516,457.71x = 110,384,252,147.56
  5. Step 5: Solve for x
    x = 110,384,252,147.56/516,457.71
  6. Step 6: Final answer
    x = 213,733.38

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.