Home / 512,150.64-706,702.68-285,805.68

Finding the Fourth Proportional to 512,150.64, 706,702.68 and 285,805.68

Calculator

Solution

The fourth proportional to 512,150.64, 706,702.68 and 285,805.68 is: 394,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,150.64 : 706,702.68 = 285,805.68 : x
  2. Step 2: Convert to fraction form
    512,150.64/706,702.68 = 285,805.68/x
  3. Step 3: Cross multiply
    512,150.64x = 706,702.68 × 285,805.68
  4. Step 4: Simplify right side
    512,150.64x = 201,979,640,015.22
  5. Step 5: Solve for x
    x = 201,979,640,015.22/512,150.64
  6. Step 6: Final answer
    x = 394,375.45

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.