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Finding the Fourth Proportional to 664,308.70, 996,463.05 and 606,247.90

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Solution

The fourth proportional to 664,308.70, 996,463.05 and 606,247.90 is: 909,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308.70 : 996,463.05 = 606,247.90 : x
  2. Step 2: Convert to fraction form
    664,308.70/996,463.05 = 606,247.90/x
  3. Step 3: Cross multiply
    664,308.70x = 996,463.05 × 606,247.90
  4. Step 4: Simplify right side
    664,308.70x = 604,103,631,490.10
  5. Step 5: Solve for x
    x = 604,103,631,490.10/664,308.70
  6. Step 6: Final answer
    x = 909,371.85

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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.