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Finding the Fourth Proportional to 456,481.86, 629,872.65 and 295,343.70

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Solution

The fourth proportional to 456,481.86, 629,872.65 and 295,343.70 is: 407,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,481.86 : 629,872.65 = 295,343.70 : x
  2. Step 2: Convert to fraction form
    456,481.86/629,872.65 = 295,343.70/x
  3. Step 3: Cross multiply
    456,481.86x = 629,872.65 × 295,343.70
  4. Step 4: Simplify right side
    456,481.86x = 186,028,918,979.81
  5. Step 5: Solve for x
    x = 186,028,918,979.81/456,481.86
  6. Step 6: Final answer
    x = 407,527.52

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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.