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Finding the Fourth Proportional to 499,385.39, 749,266.88 and 299,844.59

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Solution

The fourth proportional to 499,385.39, 749,266.88 and 299,844.59 is: 449,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,385.39 : 749,266.88 = 299,844.59 : x
  2. Step 2: Convert to fraction form
    499,385.39/749,266.88 = 299,844.59/x
  3. Step 3: Cross multiply
    499,385.39x = 749,266.88 × 299,844.59
  4. Step 4: Simplify right side
    499,385.39x = 224,663,615,188.62
  5. Step 5: Solve for x
    x = 224,663,615,188.62/499,385.39
  6. Step 6: Final answer
    x = 449,880.24

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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.