Home / 673,529.66-929,469.03-371,721.50

Finding the Fourth Proportional to 673,529.66, 929,469.03 and 371,721.50

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Solution

The fourth proportional to 673,529.66, 929,469.03 and 371,721.50 is: 512,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,529.66 : 929,469.03 = 371,721.50 : x
  2. Step 2: Convert to fraction form
    673,529.66/929,469.03 = 371,721.50/x
  3. Step 3: Cross multiply
    673,529.66x = 929,469.03 × 371,721.50
  4. Step 4: Simplify right side
    673,529.66x = 345,503,622,035.15
  5. Step 5: Solve for x
    x = 345,503,622,035.15/673,529.66
  6. Step 6: Final answer
    x = 512,974.62

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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.