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Finding the Fourth Proportional to 683,667.77, 943,480.56 and 377,763.97

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Solution

The fourth proportional to 683,667.77, 943,480.56 and 377,763.97 is: 521,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,667.77 : 943,480.56 = 377,763.97 : x
  2. Step 2: Convert to fraction form
    683,667.77/943,480.56 = 377,763.97/x
  3. Step 3: Cross multiply
    683,667.77x = 943,480.56 × 377,763.97
  4. Step 4: Simplify right side
    683,667.77x = 356,412,965,046.13
  5. Step 5: Solve for x
    x = 356,412,965,046.13/683,667.77
  6. Step 6: Final answer
    x = 521,324.80

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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.