Home / 727,293.72-1,091,112.30-228,657.72

Finding the Fourth Proportional to 727,293.72, 1,091,112.30 and 228,657.72

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Solution

The fourth proportional to 727,293.72, 1,091,112.30 and 228,657.72 is: 343,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,293.72 : 1,091,112.30 = 228,657.72 : x
  2. Step 2: Convert to fraction form
    727,293.72/1,091,112.30 = 228,657.72/x
  3. Step 3: Cross multiply
    727,293.72x = 1,091,112.30 × 228,657.72
  4. Step 4: Simplify right side
    727,293.72x = 249,491,250,781.96
  5. Step 5: Solve for x
    x = 249,491,250,781.96/727,293.72
  6. Step 6: Final answer
    x = 343,040.57

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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.