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Finding the Fourth Proportional to 626,805, 940,581.09 and 227,476.98

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Solution

The fourth proportional to 626,805, 940,581.09 and 227,476.98 is: 341,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,805 : 940,581.09 = 227,476.98 : x
  2. Step 2: Convert to fraction form
    626,805/940,581.09 = 227,476.98/x
  3. Step 3: Cross multiply
    626,805x = 940,581.09 × 227,476.98
  4. Step 4: Simplify right side
    626,805x = 213,960,545,798.31
  5. Step 5: Solve for x
    x = 213,960,545,798.31/626,805
  6. Step 6: Final answer
    x = 341,351.05

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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.