Home / 979,863.20-1,469,794.24-306,002.24

Finding the Fourth Proportional to 979,863.20, 1,469,794.24 and 306,002.24

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Solution

The fourth proportional to 979,863.20, 1,469,794.24 and 306,002.24 is: 459,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,863.20 : 1,469,794.24 = 306,002.24 : x
  2. Step 2: Convert to fraction form
    979,863.20/1,469,794.24 = 306,002.24/x
  3. Step 3: Cross multiply
    979,863.20x = 1,469,794.24 × 306,002.24
  4. Step 4: Simplify right side
    979,863.20x = 449,760,329,779.10
  5. Step 5: Solve for x
    x = 449,760,329,779.10/979,863.20
  6. Step 6: Final answer
    x = 459,003.19

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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.