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Finding the Fourth Proportional to 612,282.80, 844,945.56 and 344,010.80

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Solution

The fourth proportional to 612,282.80, 844,945.56 and 344,010.80 is: 474,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,282.80 : 844,945.56 = 344,010.80 : x
  2. Step 2: Convert to fraction form
    612,282.80/844,945.56 = 344,010.80/x
  3. Step 3: Cross multiply
    612,282.80x = 844,945.56 × 344,010.80
  4. Step 4: Simplify right side
    612,282.80x = 290,670,398,052.05
  5. Step 5: Solve for x
    x = 290,670,398,052.05/612,282.80
  6. Step 6: Final answer
    x = 474,732.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.