Home / 757,759.11-1,135,654.51-307,956.54

Finding the Fourth Proportional to 757,759.11, 1,135,654.51 and 307,956.54

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Solution

The fourth proportional to 757,759.11, 1,135,654.51 and 307,956.54 is: 461,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,759.11 : 1,135,654.51 = 307,956.54 : x
  2. Step 2: Convert to fraction form
    757,759.11/1,135,654.51 = 307,956.54/x
  3. Step 3: Cross multiply
    757,759.11x = 1,135,654.51 × 307,956.54
  4. Step 4: Simplify right side
    757,759.11x = 349,732,233,535.00
  5. Step 5: Solve for x
    x = 349,732,233,535.00/757,759.11
  6. Step 6: Final answer
    x = 461,534.85

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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.