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Finding the Fourth Proportional to 613,063.77, 919,585.03 and 275,865.84

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Solution

The fourth proportional to 613,063.77, 919,585.03 and 275,865.84 is: 413,793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,063.77 : 919,585.03 = 275,865.84 : x
  2. Step 2: Convert to fraction form
    613,063.77/919,585.03 = 275,865.84/x
  3. Step 3: Cross multiply
    613,063.77x = 919,585.03 × 275,865.84
  4. Step 4: Simplify right side
    613,063.77x = 253,682,091,464.79
  5. Step 5: Solve for x
    x = 253,682,091,464.79/613,063.77
  6. Step 6: Final answer
    x = 413,793.97

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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.