Home / 669,113.70-1,003,670.55-469,659.30

Finding the Fourth Proportional to 669,113.70, 1,003,670.55 and 469,659.30

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Solution

The fourth proportional to 669,113.70, 1,003,670.55 and 469,659.30 is: 704,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,113.70 : 1,003,670.55 = 469,659.30 : x
  2. Step 2: Convert to fraction form
    669,113.70/1,003,670.55 = 469,659.30/x
  3. Step 3: Cross multiply
    669,113.70x = 1,003,670.55 × 469,659.30
  4. Step 4: Simplify right side
    669,113.70x = 471,383,207,943.62
  5. Step 5: Solve for x
    x = 471,383,207,943.62/669,113.70
  6. Step 6: Final answer
    x = 704,488.95

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Double scale
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Similar ratio
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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.