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Finding the Fourth Proportional to 499,327.49, 749,179.93 and 299,786.97

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Solution

The fourth proportional to 499,327.49, 749,179.93 and 299,786.97 is: 449,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,327.49 : 749,179.93 = 299,786.97 : x
  2. Step 2: Convert to fraction form
    499,327.49/749,179.93 = 299,786.97/x
  3. Step 3: Cross multiply
    499,327.49x = 749,179.93 × 299,786.97
  4. Step 4: Simplify right side
    499,327.49x = 224,594,381,199.51
  5. Step 5: Solve for x
    x = 224,594,381,199.51/499,327.49
  6. Step 6: Final answer
    x = 449,793.74

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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.