Home / 799,438.64-1,199,129.36-200,404.72

Finding the Fourth Proportional to 799,438.64, 1,199,129.36 and 200,404.72

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Solution

The fourth proportional to 799,438.64, 1,199,129.36 and 200,404.72 is: 300,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,438.64 : 1,199,129.36 = 200,404.72 : x
  2. Step 2: Convert to fraction form
    799,438.64/1,199,129.36 = 200,404.72/x
  3. Step 3: Cross multiply
    799,438.64x = 1,199,129.36 × 200,404.72
  4. Step 4: Simplify right side
    799,438.64x = 240,311,183,634.58
  5. Step 5: Solve for x
    x = 240,311,183,634.58/799,438.64
  6. Step 6: Final answer
    x = 300,599.91

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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.