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Finding the Fourth Proportional to 515,902.59, 773,590.68 and 303,086.34

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Solution

The fourth proportional to 515,902.59, 773,590.68 and 303,086.34 is: 454,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,902.59 : 773,590.68 = 303,086.34 : x
  2. Step 2: Convert to fraction form
    515,902.59/773,590.68 = 303,086.34/x
  3. Step 3: Cross multiply
    515,902.59x = 773,590.68 × 303,086.34
  4. Step 4: Simplify right side
    515,902.59x = 234,464,767,859.31
  5. Step 5: Solve for x
    x = 234,464,767,859.31/515,902.59
  6. Step 6: Final answer
    x = 454,474.88

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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.