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Finding the Fourth Proportional to 657,659.71, 986,554.37 and 273,329.29

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Solution

The fourth proportional to 657,659.71, 986,554.37 and 273,329.29 is: 410,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,659.71 : 986,554.37 = 273,329.29 : x
  2. Step 2: Convert to fraction form
    657,659.71/986,554.37 = 273,329.29/x
  3. Step 3: Cross multiply
    657,659.71x = 986,554.37 × 273,329.29
  4. Step 4: Simplify right side
    657,659.71x = 269,654,203,715.44
  5. Step 5: Solve for x
    x = 269,654,203,715.44/657,659.71
  6. Step 6: Final answer
    x = 410,020.87

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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.