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Finding the Fourth Proportional to 550,282.79, 824,091.03 and 279,699.26

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Solution

The fourth proportional to 550,282.79, 824,091.03 and 279,699.26 is: 418,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,282.79 : 824,091.03 = 279,699.26 : x
  2. Step 2: Convert to fraction form
    550,282.79/824,091.03 = 279,699.26/x
  3. Step 3: Cross multiply
    550,282.79x = 824,091.03 × 279,699.26
  4. Step 4: Simplify right side
    550,282.79x = 230,497,647,143.18
  5. Step 5: Solve for x
    x = 230,497,647,143.18/550,282.79
  6. Step 6: Final answer
    x = 418,871.26

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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.