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Finding the Fourth Proportional to 581,679.22, 802,765.80 and 323,604.78

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Solution

The fourth proportional to 581,679.22, 802,765.80 and 323,604.78 is: 446,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,679.22 : 802,765.80 = 323,604.78 : x
  2. Step 2: Convert to fraction form
    581,679.22/802,765.80 = 323,604.78/x
  3. Step 3: Cross multiply
    581,679.22x = 802,765.80 × 323,604.78
  4. Step 4: Simplify right side
    581,679.22x = 259,778,850,100.52
  5. Step 5: Solve for x
    x = 259,778,850,100.52/581,679.22
  6. Step 6: Final answer
    x = 446,601.57

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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.