Home / 379,946.97-569,171.43-308,949.75

Finding the Fourth Proportional to 379,946.97, 569,171.43 and 308,949.75

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Solution

The fourth proportional to 379,946.97, 569,171.43 and 308,949.75 is: 462,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,946.97 : 569,171.43 = 308,949.75 : x
  2. Step 2: Convert to fraction form
    379,946.97/569,171.43 = 308,949.75/x
  3. Step 3: Cross multiply
    379,946.97x = 569,171.43 × 308,949.75
  4. Step 4: Simplify right side
    379,946.97x = 175,845,371,005.64
  5. Step 5: Solve for x
    x = 175,845,371,005.64/379,946.97
  6. Step 6: Final answer
    x = 462,815.56

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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.