Home / 727,588.62-1,091,116.83-278,087.22

Finding the Fourth Proportional to 727,588.62, 1,091,116.83 and 278,087.22

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Solution

The fourth proportional to 727,588.62, 1,091,116.83 and 278,087.22 is: 417,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,588.62 : 1,091,116.83 = 278,087.22 : x
  2. Step 2: Convert to fraction form
    727,588.62/1,091,116.83 = 278,087.22/x
  3. Step 3: Cross multiply
    727,588.62x = 1,091,116.83 × 278,087.22
  4. Step 4: Simplify right side
    727,588.62x = 303,425,645,949.91
  5. Step 5: Solve for x
    x = 303,425,645,949.91/727,588.62
  6. Step 6: Final answer
    x = 417,029.13

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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.