Home / 683,933.25-943,876.74-378,003.06

Finding the Fourth Proportional to 683,933.25, 943,876.74 and 378,003.06

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Solution

The fourth proportional to 683,933.25, 943,876.74 and 378,003.06 is: 521,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,933.25 : 943,876.74 = 378,003.06 : x
  2. Step 2: Convert to fraction form
    683,933.25/943,876.74 = 378,003.06/x
  3. Step 3: Cross multiply
    683,933.25x = 943,876.74 × 378,003.06
  4. Step 4: Simplify right side
    683,933.25x = 356,788,295,982.82
  5. Step 5: Solve for x
    x = 356,788,295,982.82/683,933.25
  6. Step 6: Final answer
    x = 521,671.22

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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.