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Finding the Fourth Proportional to 550,412.49, 824,544.31 and 379,230.33

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Solution

The fourth proportional to 550,412.49, 824,544.31 and 379,230.33 is: 568,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,412.49 : 824,544.31 = 379,230.33 : x
  2. Step 2: Convert to fraction form
    550,412.49/824,544.31 = 379,230.33/x
  3. Step 3: Cross multiply
    550,412.49x = 824,544.31 × 379,230.33
  4. Step 4: Simplify right side
    550,412.49x = 312,692,210,780.92
  5. Step 5: Solve for x
    x = 312,692,210,780.92/550,412.49
  6. Step 6: Final answer
    x = 568,105.22

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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.