Home / 930,745.20-1,396,342.16-323,445.24

Finding the Fourth Proportional to 930,745.20, 1,396,342.16 and 323,445.24

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Solution

The fourth proportional to 930,745.20, 1,396,342.16 and 323,445.24 is: 485,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,745.20 : 1,396,342.16 = 323,445.24 : x
  2. Step 2: Convert to fraction form
    930,745.20/1,396,342.16 = 323,445.24/x
  3. Step 3: Cross multiply
    930,745.20x = 1,396,342.16 × 323,445.24
  4. Step 4: Simplify right side
    930,745.20x = 451,640,225,063.32
  5. Step 5: Solve for x
    x = 451,640,225,063.32/930,745.20
  6. Step 6: Final answer
    x = 485,245.83

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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.