Home / 727,292.72-1,091,110.80-228,656.72

Finding the Fourth Proportional to 727,292.72, 1,091,110.80 and 228,656.72

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Solution

The fourth proportional to 727,292.72, 1,091,110.80 and 228,656.72 is: 343,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,292.72 : 1,091,110.80 = 228,656.72 : x
  2. Step 2: Convert to fraction form
    727,292.72/1,091,110.80 = 228,656.72/x
  3. Step 3: Cross multiply
    727,292.72x = 1,091,110.80 × 228,656.72
  4. Step 4: Simplify right side
    727,292.72x = 249,489,811,229.02
  5. Step 5: Solve for x
    x = 249,489,811,229.02/727,292.72
  6. Step 6: Final answer
    x = 343,039.06

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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.