Home / 412,919.82-569,720.52-238,447.26

Finding the Fourth Proportional to 412,919.82, 569,720.52 and 238,447.26

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Solution

The fourth proportional to 412,919.82, 569,720.52 and 238,447.26 is: 328,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,919.82 : 569,720.52 = 238,447.26 : x
  2. Step 2: Convert to fraction form
    412,919.82/569,720.52 = 238,447.26/x
  3. Step 3: Cross multiply
    412,919.82x = 569,720.52 × 238,447.26
  4. Step 4: Simplify right side
    412,919.82x = 135,848,296,959.78
  5. Step 5: Solve for x
    x = 135,848,296,959.78/412,919.82
  6. Step 6: Final answer
    x = 328,994.37

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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.