Home / 727,289.22-1,091,105.55-228,653.22

Finding the Fourth Proportional to 727,289.22, 1,091,105.55 and 228,653.22

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Solution

The fourth proportional to 727,289.22, 1,091,105.55 and 228,653.22 is: 343,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,289.22 : 1,091,105.55 = 228,653.22 : x
  2. Step 2: Convert to fraction form
    727,289.22/1,091,105.55 = 228,653.22/x
  3. Step 3: Cross multiply
    727,289.22x = 1,091,105.55 × 228,653.22
  4. Step 4: Simplify right side
    727,289.22x = 249,484,797,367.37
  5. Step 5: Solve for x
    x = 249,484,797,367.37/727,289.22
  6. Step 6: Final answer
    x = 343,033.82

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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.