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Finding the Fourth Proportional to 599,489.72, 827,848.30 and 385,003.48

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Solution

The fourth proportional to 599,489.72, 827,848.30 and 385,003.48 is: 531,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,489.72 : 827,848.30 = 385,003.48 : x
  2. Step 2: Convert to fraction form
    599,489.72/827,848.30 = 385,003.48/x
  3. Step 3: Cross multiply
    599,489.72x = 827,848.30 × 385,003.48
  4. Step 4: Simplify right side
    599,489.72x = 318,724,476,412.08
  5. Step 5: Solve for x
    x = 318,724,476,412.08/599,489.72
  6. Step 6: Final answer
    x = 531,659.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.