Home / 926,251.20-1,389,453.60-295,147.20

Finding the Fourth Proportional to 926,251.20, 1,389,453.60 and 295,147.20

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Solution

The fourth proportional to 926,251.20, 1,389,453.60 and 295,147.20 is: 442,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,251.20 : 1,389,453.60 = 295,147.20 : x
  2. Step 2: Convert to fraction form
    926,251.20/1,389,453.60 = 295,147.20/x
  3. Step 3: Cross multiply
    926,251.20x = 1,389,453.60 × 295,147.20
  4. Step 4: Simplify right side
    926,251.20x = 410,093,339,569.92
  5. Step 5: Solve for x
    x = 410,093,339,569.92/926,251.20
  6. Step 6: Final answer
    x = 442,745.27

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Double scale
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Similar ratio
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1.5x scale

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.