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Finding the Fourth Proportional to 580,902.85, 801,644.02 and 322,778.79

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Solution

The fourth proportional to 580,902.85, 801,644.02 and 322,778.79 is: 445,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,902.85 : 801,644.02 = 322,778.79 : x
  2. Step 2: Convert to fraction form
    580,902.85/801,644.02 = 322,778.79/x
  3. Step 3: Cross multiply
    580,902.85x = 801,644.02 × 322,778.79
  4. Step 4: Simplify right side
    580,902.85x = 258,753,685,979.39
  5. Step 5: Solve for x
    x = 258,753,685,979.39/580,902.85
  6. Step 6: Final answer
    x = 445,433.66

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1.5x scale

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.