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Finding the Fourth Proportional to 664,427.90, 996,641.85 and 531,567.65

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Solution

The fourth proportional to 664,427.90, 996,641.85 and 531,567.65 is: 797,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,427.90 : 996,641.85 = 531,567.65 : x
  2. Step 2: Convert to fraction form
    664,427.90/996,641.85 = 531,567.65/x
  3. Step 3: Cross multiply
    664,427.90x = 996,641.85 × 531,567.65
  4. Step 4: Simplify right side
    664,427.90x = 529,782,566,096.15
  5. Step 5: Solve for x
    x = 529,782,566,096.15/664,427.90
  6. Step 6: Final answer
    x = 797,351.48

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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.