Home / 663,137.20-995,742.60-383,201.20

Finding the Fourth Proportional to 663,137.20, 995,742.60 and 383,201.20

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Solution

The fourth proportional to 663,137.20, 995,742.60 and 383,201.20 is: 575,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,137.20 : 995,742.60 = 383,201.20 : x
  2. Step 2: Convert to fraction form
    663,137.20/995,742.60 = 383,201.20/x
  3. Step 3: Cross multiply
    663,137.20x = 995,742.60 × 383,201.20
  4. Step 4: Simplify right side
    663,137.20x = 381,569,759,211.12
  5. Step 5: Solve for x
    x = 381,569,759,211.12/663,137.20
  6. Step 6: Final answer
    x = 575,400.93

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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.