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Finding the Fourth Proportional to 482,759.28, 665,930.79 and 301,155.84

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Solution

The fourth proportional to 482,759.28, 665,930.79 and 301,155.84 is: 415,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,759.28 : 665,930.79 = 301,155.84 : x
  2. Step 2: Convert to fraction form
    482,759.28/665,930.79 = 301,155.84/x
  3. Step 3: Cross multiply
    482,759.28x = 665,930.79 × 301,155.84
  4. Step 4: Simplify right side
    482,759.28x = 200,548,946,444.31
  5. Step 5: Solve for x
    x = 200,548,946,444.31/482,759.28
  6. Step 6: Final answer
    x = 415,422.25

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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.