Home / 727,289.97-1,091,106.67-228,653.97

Finding the Fourth Proportional to 727,289.97, 1,091,106.67 and 228,653.97

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Solution

The fourth proportional to 727,289.97, 1,091,106.67 and 228,653.97 is: 343,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,289.97 : 1,091,106.67 = 228,653.97 : x
  2. Step 2: Convert to fraction form
    727,289.97/1,091,106.67 = 228,653.97/x
  3. Step 3: Cross multiply
    727,289.97x = 1,091,106.67 × 228,653.97
  4. Step 4: Simplify right side
    727,289.97x = 249,485,871,788.98
  5. Step 5: Solve for x
    x = 249,485,871,788.98/727,289.97
  6. Step 6: Final answer
    x = 343,034.94

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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.