Home / 987,369.73-1,481,005.38-347,705.03

Finding the Fourth Proportional to 987,369.73, 1,481,005.38 and 347,705.03

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Solution

The fourth proportional to 987,369.73, 1,481,005.38 and 347,705.03 is: 521,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,369.73 : 1,481,005.38 = 347,705.03 : x
  2. Step 2: Convert to fraction form
    987,369.73/1,481,005.38 = 347,705.03/x
  3. Step 3: Cross multiply
    987,369.73x = 1,481,005.38 × 347,705.03
  4. Step 4: Simplify right side
    987,369.73x = 514,953,020,083.06
  5. Step 5: Solve for x
    x = 514,953,020,083.06/987,369.73
  6. Step 6: Final answer
    x = 521,540.21

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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.