Home / 345,696.30-517,738.74-333,723.42

Finding the Fourth Proportional to 345,696.30, 517,738.74 and 333,723.42

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Solution

The fourth proportional to 345,696.30, 517,738.74 and 333,723.42 is: 499,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,696.30 : 517,738.74 = 333,723.42 : x
  2. Step 2: Convert to fraction form
    345,696.30/517,738.74 = 333,723.42/x
  3. Step 3: Cross multiply
    345,696.30x = 517,738.74 × 333,723.42
  4. Step 4: Simplify right side
    345,696.30x = 172,781,542,979.29
  5. Step 5: Solve for x
    x = 172,781,542,979.29/345,696.30
  6. Step 6: Final answer
    x = 499,807.33

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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.