Home / 994,078.20-1,491,117.30-329,230.20

Finding the Fourth Proportional to 994,078.20, 1,491,117.30 and 329,230.20

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Solution

The fourth proportional to 994,078.20, 1,491,117.30 and 329,230.20 is: 493,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,078.20 : 1,491,117.30 = 329,230.20 : x
  2. Step 2: Convert to fraction form
    994,078.20/1,491,117.30 = 329,230.20/x
  3. Step 3: Cross multiply
    994,078.20x = 1,491,117.30 × 329,230.20
  4. Step 4: Simplify right side
    994,078.20x = 490,920,846,902.46
  5. Step 5: Solve for x
    x = 490,920,846,902.46/994,078.20
  6. Step 6: Final answer
    x = 493,845.30

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Half scale
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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.