Home / 940,841.10-1,298,362.26-511,121.58

Finding the Fourth Proportional to 940,841.10, 1,298,362.26 and 511,121.58

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Solution

The fourth proportional to 940,841.10, 1,298,362.26 and 511,121.58 is: 705,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,841.10 : 1,298,362.26 = 511,121.58 : x
  2. Step 2: Convert to fraction form
    940,841.10/1,298,362.26 = 511,121.58/x
  3. Step 3: Cross multiply
    940,841.10x = 1,298,362.26 × 511,121.58
  4. Step 4: Simplify right side
    940,841.10x = 663,620,969,743.57
  5. Step 5: Solve for x
    x = 663,620,969,743.57/940,841.10
  6. Step 6: Final answer
    x = 705,348.62

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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.