Home / 382,665.20-573,997.80-336,009.20

Finding the Fourth Proportional to 382,665.20, 573,997.80 and 336,009.20

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Solution

The fourth proportional to 382,665.20, 573,997.80 and 336,009.20 is: 504,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,665.20 : 573,997.80 = 336,009.20 : x
  2. Step 2: Convert to fraction form
    382,665.20/573,997.80 = 336,009.20/x
  3. Step 3: Cross multiply
    382,665.20x = 573,997.80 × 336,009.20
  4. Step 4: Simplify right side
    382,665.20x = 192,868,541,579.76
  5. Step 5: Solve for x
    x = 192,868,541,579.76/382,665.20
  6. Step 6: Final answer
    x = 504,013.80

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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.