Home / 418,869.53-578,042.46-227,884.29

Finding the Fourth Proportional to 418,869.53, 578,042.46 and 227,884.29

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Solution

The fourth proportional to 418,869.53, 578,042.46 and 227,884.29 is: 314,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,869.53 : 578,042.46 = 227,884.29 : x
  2. Step 2: Convert to fraction form
    418,869.53/578,042.46 = 227,884.29/x
  3. Step 3: Cross multiply
    418,869.53x = 578,042.46 × 227,884.29
  4. Step 4: Simplify right side
    418,869.53x = 131,726,795,586.95
  5. Step 5: Solve for x
    x = 131,726,795,586.95/418,869.53
  6. Step 6: Final answer
    x = 314,481.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.