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Finding the Fourth Proportional to 664,468.60, 996,848.70 and 327,670.60

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Solution

The fourth proportional to 664,468.60, 996,848.70 and 327,670.60 is: 491,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,468.60 : 996,848.70 = 327,670.60 : x
  2. Step 2: Convert to fraction form
    664,468.60/996,848.70 = 327,670.60/x
  3. Step 3: Cross multiply
    664,468.60x = 996,848.70 × 327,670.60
  4. Step 4: Simplify right side
    664,468.60x = 326,638,011,638.22
  5. Step 5: Solve for x
    x = 326,638,011,638.22/664,468.60
  6. Step 6: Final answer
    x = 491,577.80

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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.