Home / 621,259.20-931,785-172,025.48

Finding the Fourth Proportional to 621,259.20, 931,785 and 172,025.48

Calculator

Solution

The fourth proportional to 621,259.20, 931,785 and 172,025.48 is: 258,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,259.20 : 931,785 = 172,025.48 : x
  2. Step 2: Convert to fraction form
    621,259.20/931,785 = 172,025.48/x
  3. Step 3: Cross multiply
    621,259.20x = 931,785 × 172,025.48
  4. Step 4: Simplify right side
    621,259.20x = 160,290,761,881.80
  5. Step 5: Solve for x
    x = 160,290,761,881.80/621,259.20
  6. Step 6: Final answer
    x = 258,009.48

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.