Home / 419,599.10-579,053.40-228,612.44

Finding the Fourth Proportional to 419,599.10, 579,053.40 and 228,612.44

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Solution

The fourth proportional to 419,599.10, 579,053.40 and 228,612.44 is: 315,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,599.10 : 579,053.40 = 228,612.44 : x
  2. Step 2: Convert to fraction form
    419,599.10/579,053.40 = 228,612.44/x
  3. Step 3: Cross multiply
    419,599.10x = 579,053.40 × 228,612.44
  4. Step 4: Simplify right side
    419,599.10x = 132,378,810,664.30
  5. Step 5: Solve for x
    x = 132,378,810,664.30/419,599.10
  6. Step 6: Final answer
    x = 315,488.79

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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.