Home / 1,027,072.80-1,540,609.20-317,099.70

Finding the Fourth Proportional to 1,027,072.80, 1,540,609.20 and 317,099.70

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Solution

The fourth proportional to 1,027,072.80, 1,540,609.20 and 317,099.70 is: 475,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,072.80 : 1,540,609.20 = 317,099.70 : x
  2. Step 2: Convert to fraction form
    1,027,072.80/1,540,609.20 = 317,099.70/x
  3. Step 3: Cross multiply
    1,027,072.80x = 1,540,609.20 × 317,099.70
  4. Step 4: Simplify right side
    1,027,072.80x = 488,526,715,137.24
  5. Step 5: Solve for x
    x = 488,526,715,137.24/1,027,072.80
  6. Step 6: Final answer
    x = 475,649.55

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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.