Home / 859,555.62-1,289,706.03-327,227.94

Finding the Fourth Proportional to 859,555.62, 1,289,706.03 and 327,227.94

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Solution

The fourth proportional to 859,555.62, 1,289,706.03 and 327,227.94 is: 490,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,555.62 : 1,289,706.03 = 327,227.94 : x
  2. Step 2: Convert to fraction form
    859,555.62/1,289,706.03 = 327,227.94/x
  3. Step 3: Cross multiply
    859,555.62x = 1,289,706.03 × 327,227.94
  4. Step 4: Simplify right side
    859,555.62x = 422,027,847,402.48
  5. Step 5: Solve for x
    x = 422,027,847,402.48/859,555.62
  6. Step 6: Final answer
    x = 490,983.76

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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.