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Finding the Fourth Proportional to 539,344, 744,295.04 and 300,880

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Solution

The fourth proportional to 539,344, 744,295.04 and 300,880 is: 415,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,344 : 744,295.04 = 300,880 : x
  2. Step 2: Convert to fraction form
    539,344/744,295.04 = 300,880/x
  3. Step 3: Cross multiply
    539,344x = 744,295.04 × 300,880
  4. Step 4: Simplify right side
    539,344x = 223,943,491,635.20
  5. Step 5: Solve for x
    x = 223,943,491,635.20/539,344
  6. Step 6: Final answer
    x = 415,214.58

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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.