Home / 727,588.15-1,091,331.41-272,092.70

Finding the Fourth Proportional to 727,588.15, 1,091,331.41 and 272,092.70

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Solution

The fourth proportional to 727,588.15, 1,091,331.41 and 272,092.70 is: 408,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,588.15 : 1,091,331.41 = 272,092.70 : x
  2. Step 2: Convert to fraction form
    727,588.15/1,091,331.41 = 272,092.70/x
  3. Step 3: Cross multiply
    727,588.15x = 1,091,331.41 × 272,092.70
  4. Step 4: Simplify right side
    727,588.15x = 296,943,311,309.57
  5. Step 5: Solve for x
    x = 296,943,311,309.57/727,588.15
  6. Step 6: Final answer
    x = 408,120.05

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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.