Home / 671,842.38-1,007,757.30-272,388.18

Finding the Fourth Proportional to 671,842.38, 1,007,757.30 and 272,388.18

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Solution

The fourth proportional to 671,842.38, 1,007,757.30 and 272,388.18 is: 408,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,842.38 : 1,007,757.30 = 272,388.18 : x
  2. Step 2: Convert to fraction form
    671,842.38/1,007,757.30 = 272,388.18/x
  3. Step 3: Cross multiply
    671,842.38x = 1,007,757.30 × 272,388.18
  4. Step 4: Simplify right side
    671,842.38x = 274,501,176,828.71
  5. Step 5: Solve for x
    x = 274,501,176,828.71/671,842.38
  6. Step 6: Final answer
    x = 408,579.73

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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.