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Finding the Fourth Proportional to 499,344.75, 749,205.79 and 299,804.36

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Solution

The fourth proportional to 499,344.75, 749,205.79 and 299,804.36 is: 449,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,344.75 : 749,205.79 = 299,804.36 : x
  2. Step 2: Convert to fraction form
    499,344.75/749,205.79 = 299,804.36/x
  3. Step 3: Cross multiply
    499,344.75x = 749,205.79 × 299,804.36
  4. Step 4: Simplify right side
    499,344.75x = 224,615,157,883.71
  5. Step 5: Solve for x
    x = 224,615,157,883.71/499,344.75
  6. Step 6: Final answer
    x = 449,819.80

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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.