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Finding the Fourth Proportional to 555,935.44, 767,190.80 and 301,286.64

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Solution

The fourth proportional to 555,935.44, 767,190.80 and 301,286.64 is: 415,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,935.44 : 767,190.80 = 301,286.64 : x
  2. Step 2: Convert to fraction form
    555,935.44/767,190.80 = 301,286.64/x
  3. Step 3: Cross multiply
    555,935.44x = 767,190.80 × 301,286.64
  4. Step 4: Simplify right side
    555,935.44x = 231,144,338,370.91
  5. Step 5: Solve for x
    x = 231,144,338,370.91/555,935.44
  6. Step 6: Final answer
    x = 415,775.51

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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.