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Finding the Fourth Proportional to 659,757.73, 989,570.98 and 304,766.62

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Solution

The fourth proportional to 659,757.73, 989,570.98 and 304,766.62 is: 457,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,757.73 : 989,570.98 = 304,766.62 : x
  2. Step 2: Convert to fraction form
    659,757.73/989,570.98 = 304,766.62/x
  3. Step 3: Cross multiply
    659,757.73x = 989,570.98 × 304,766.62
  4. Step 4: Simplify right side
    659,757.73x = 301,588,204,442.61
  5. Step 5: Solve for x
    x = 301,588,204,442.61/659,757.73
  6. Step 6: Final answer
    x = 457,119.62

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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.