Home / 979,606.30-1,469,063.85-348,540.70

Finding the Fourth Proportional to 979,606.30, 1,469,063.85 and 348,540.70

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Solution

The fourth proportional to 979,606.30, 1,469,063.85 and 348,540.70 is: 522,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,606.30 : 1,469,063.85 = 348,540.70 : x
  2. Step 2: Convert to fraction form
    979,606.30/1,469,063.85 = 348,540.70/x
  3. Step 3: Cross multiply
    979,606.30x = 1,469,063.85 × 348,540.70
  4. Step 4: Simplify right side
    979,606.30x = 512,028,542,623.70
  5. Step 5: Solve for x
    x = 512,028,542,623.70/979,606.30
  6. Step 6: Final answer
    x = 522,688.09

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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.