Home / 685,330.80-1,027,882.80-229,916.40

Finding the Fourth Proportional to 685,330.80, 1,027,882.80 and 229,916.40

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Solution

The fourth proportional to 685,330.80, 1,027,882.80 and 229,916.40 is: 344,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,330.80 : 1,027,882.80 = 229,916.40 : x
  2. Step 2: Convert to fraction form
    685,330.80/1,027,882.80 = 229,916.40/x
  3. Step 3: Cross multiply
    685,330.80x = 1,027,882.80 × 229,916.40
  4. Step 4: Simplify right side
    685,330.80x = 236,327,112,997.92
  5. Step 5: Solve for x
    x = 236,327,112,997.92/685,330.80
  6. Step 6: Final answer
    x = 344,836.56

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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.