Home / 576,175.28-795,120.72-321,511.28

Finding the Fourth Proportional to 576,175.28, 795,120.72 and 321,511.28

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Solution

The fourth proportional to 576,175.28, 795,120.72 and 321,511.28 is: 443,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,175.28 : 795,120.72 = 321,511.28 : x
  2. Step 2: Convert to fraction form
    576,175.28/795,120.72 = 321,511.28/x
  3. Step 3: Cross multiply
    576,175.28x = 795,120.72 × 321,511.28
  4. Step 4: Simplify right side
    576,175.28x = 255,640,280,441.72
  5. Step 5: Solve for x
    x = 255,640,280,441.72/576,175.28
  6. Step 6: Final answer
    x = 443,684.92

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1.5x scale

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.