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Finding the Fourth Proportional to 499,326.49, 749,178.43 and 299,785.97

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Solution

The fourth proportional to 499,326.49, 749,178.43 and 299,785.97 is: 449,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,326.49 : 749,178.43 = 299,785.97 : x
  2. Step 2: Convert to fraction form
    499,326.49/749,178.43 = 299,785.97/x
  3. Step 3: Cross multiply
    499,326.49x = 749,178.43 × 299,785.97
  4. Step 4: Simplify right side
    499,326.49x = 224,593,182,340.63
  5. Step 5: Solve for x
    x = 224,593,182,340.63/499,326.49
  6. Step 6: Final answer
    x = 449,792.24

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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.