Home / 479,022.40-719,006.33-254,382.20

Finding the Fourth Proportional to 479,022.40, 719,006.33 and 254,382.20

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Solution

The fourth proportional to 479,022.40, 719,006.33 and 254,382.20 is: 381,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,022.40 : 719,006.33 = 254,382.20 : x
  2. Step 2: Convert to fraction form
    479,022.40/719,006.33 = 254,382.20/x
  3. Step 3: Cross multiply
    479,022.40x = 719,006.33 × 254,382.20
  4. Step 4: Simplify right side
    479,022.40x = 182,902,412,039.33
  5. Step 5: Solve for x
    x = 182,902,412,039.33/479,022.40
  6. Step 6: Final answer
    x = 381,824.34

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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.