Home / 467,082.08-644,620.89-285,913.73

Finding the Fourth Proportional to 467,082.08, 644,620.89 and 285,913.73

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Solution

The fourth proportional to 467,082.08, 644,620.89 and 285,913.73 is: 394,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,082.08 : 644,620.89 = 285,913.73 : x
  2. Step 2: Convert to fraction form
    467,082.08/644,620.89 = 285,913.73/x
  3. Step 3: Cross multiply
    467,082.08x = 644,620.89 × 285,913.73
  4. Step 4: Simplify right side
    467,082.08x = 184,305,961,217.87
  5. Step 5: Solve for x
    x = 184,305,961,217.87/467,082.08
  6. Step 6: Final answer
    x = 394,590.10

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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.