Home / 671,654.43-1,007,346.78-329,955.12

Finding the Fourth Proportional to 671,654.43, 1,007,346.78 and 329,955.12

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Solution

The fourth proportional to 671,654.43, 1,007,346.78 and 329,955.12 is: 494,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,654.43 : 1,007,346.78 = 329,955.12 : x
  2. Step 2: Convert to fraction form
    671,654.43/1,007,346.78 = 329,955.12/x
  3. Step 3: Cross multiply
    671,654.43x = 1,007,346.78 × 329,955.12
  4. Step 4: Simplify right side
    671,654.43x = 332,379,227,676.51
  5. Step 5: Solve for x
    x = 332,379,227,676.51/671,654.43
  6. Step 6: Final answer
    x = 494,866.43

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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.