Home / 940,868.25-1,298,394.80-511,144.62

Finding the Fourth Proportional to 940,868.25, 1,298,394.80 and 511,144.62

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Solution

The fourth proportional to 940,868.25, 1,298,394.80 and 511,144.62 is: 705,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,868.25 : 1,298,394.80 = 511,144.62 : x
  2. Step 2: Convert to fraction form
    940,868.25/1,298,394.80 = 511,144.62/x
  3. Step 3: Cross multiply
    940,868.25x = 1,298,394.80 × 511,144.62
  4. Step 4: Simplify right side
    940,868.25x = 663,667,514,100.25
  5. Step 5: Solve for x
    x = 663,667,514,100.25/940,868.25
  6. Step 6: Final answer
    x = 705,377.73

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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.