Home / 419,609.64-579,053.91-228,624.36

Finding the Fourth Proportional to 419,609.64, 579,053.91 and 228,624.36

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Solution

The fourth proportional to 419,609.64, 579,053.91 and 228,624.36 is: 315,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,609.64 : 579,053.91 = 228,624.36 : x
  2. Step 2: Convert to fraction form
    419,609.64/579,053.91 = 228,624.36/x
  3. Step 3: Cross multiply
    419,609.64x = 579,053.91 × 228,624.36
  4. Step 4: Simplify right side
    419,609.64x = 132,385,829,579.25
  5. Step 5: Solve for x
    x = 132,385,829,579.25/419,609.64
  6. Step 6: Final answer
    x = 315,497.59

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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.