Home / 704,667.72-1,057,163.04-305,375.52

Finding the Fourth Proportional to 704,667.72, 1,057,163.04 and 305,375.52

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Solution

The fourth proportional to 704,667.72, 1,057,163.04 and 305,375.52 is: 458,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,667.72 : 1,057,163.04 = 305,375.52 : x
  2. Step 2: Convert to fraction form
    704,667.72/1,057,163.04 = 305,375.52/x
  3. Step 3: Cross multiply
    704,667.72x = 1,057,163.04 × 305,375.52
  4. Step 4: Simplify right side
    704,667.72x = 322,831,713,064.78
  5. Step 5: Solve for x
    x = 322,831,713,064.78/704,667.72
  6. Step 6: Final answer
    x = 458,133.25

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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.