Home / 689,632.47-1,034,405.78-330,058.71

Finding the Fourth Proportional to 689,632.47, 1,034,405.78 and 330,058.71

Calculator

Solution

The fourth proportional to 689,632.47, 1,034,405.78 and 330,058.71 is: 495,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,632.47 : 1,034,405.78 = 330,058.71 : x
  2. Step 2: Convert to fraction form
    689,632.47/1,034,405.78 = 330,058.71/x
  3. Step 3: Cross multiply
    689,632.47x = 1,034,405.78 × 330,058.71
  4. Step 4: Simplify right side
    689,632.47x = 341,414,635,713.05
  5. Step 5: Solve for x
    x = 341,414,635,713.05/689,632.47
  6. Step 6: Final answer
    x = 495,067.52

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.