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Finding the Fourth Proportional to 499,654.66, 689,481.48 and 295,670.10

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Solution

The fourth proportional to 499,654.66, 689,481.48 and 295,670.10 is: 407,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,654.66 : 689,481.48 = 295,670.10 : x
  2. Step 2: Convert to fraction form
    499,654.66/689,481.48 = 295,670.10/x
  3. Step 3: Cross multiply
    499,654.66x = 689,481.48 × 295,670.10
  4. Step 4: Simplify right side
    499,654.66x = 203,859,056,708.38
  5. Step 5: Solve for x
    x = 203,859,056,708.38/499,654.66
  6. Step 6: Final answer
    x = 407,999.91

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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.