Home / 829,447.62-1,244,388.96-260,805.66

Finding the Fourth Proportional to 829,447.62, 1,244,388.96 and 260,805.66

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Solution

The fourth proportional to 829,447.62, 1,244,388.96 and 260,805.66 is: 391,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,447.62 : 1,244,388.96 = 260,805.66 : x
  2. Step 2: Convert to fraction form
    829,447.62/1,244,388.96 = 260,805.66/x
  3. Step 3: Cross multiply
    829,447.62x = 1,244,388.96 × 260,805.66
  4. Step 4: Simplify right side
    829,447.62x = 324,543,684,009.51
  5. Step 5: Solve for x
    x = 324,543,684,009.51/829,447.62
  6. Step 6: Final answer
    x = 391,276.89

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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.