Home / 379,939.73-569,160.66-308,942.51

Finding the Fourth Proportional to 379,939.73, 569,160.66 and 308,942.51

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Solution

The fourth proportional to 379,939.73, 569,160.66 and 308,942.51 is: 462,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,939.73 : 569,160.66 = 308,942.51 : x
  2. Step 2: Convert to fraction form
    379,939.73/569,160.66 = 308,942.51/x
  3. Step 3: Cross multiply
    379,939.73x = 569,160.66 × 308,942.51
  4. Step 4: Simplify right side
    379,939.73x = 175,837,920,047.85
  5. Step 5: Solve for x
    x = 175,837,920,047.85/379,939.73
  6. Step 6: Final answer
    x = 462,804.78

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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.