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Finding the Fourth Proportional to 471,958.93, 707,665.02 and 322,379.97

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Solution

The fourth proportional to 471,958.93, 707,665.02 and 322,379.97 is: 483,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,958.93 : 707,665.02 = 322,379.97 : x
  2. Step 2: Convert to fraction form
    471,958.93/707,665.02 = 322,379.97/x
  3. Step 3: Cross multiply
    471,958.93x = 707,665.02 × 322,379.97
  4. Step 4: Simplify right side
    471,958.93x = 228,137,030,479.25
  5. Step 5: Solve for x
    x = 228,137,030,479.25/471,958.93
  6. Step 6: Final answer
    x = 483,383.23

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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.