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Finding the Fourth Proportional to 534,050.97, 801,074.43 and 218,507.78

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Solution

The fourth proportional to 534,050.97, 801,074.43 and 218,507.78 is: 327,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,050.97 : 801,074.43 = 218,507.78 : x
  2. Step 2: Convert to fraction form
    534,050.97/801,074.43 = 218,507.78/x
  3. Step 3: Cross multiply
    534,050.97x = 801,074.43 × 218,507.78
  4. Step 4: Simplify right side
    534,050.97x = 175,040,991,308.69
  5. Step 5: Solve for x
    x = 175,040,991,308.69/534,050.97
  6. Step 6: Final answer
    x = 327,760.83

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1.5x scale

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.