Home / 838,429.44-1,257,644.73-269,810.42

Finding the Fourth Proportional to 838,429.44, 1,257,644.73 and 269,810.42

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Solution

The fourth proportional to 838,429.44, 1,257,644.73 and 269,810.42 is: 404,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,429.44 : 1,257,644.73 = 269,810.42 : x
  2. Step 2: Convert to fraction form
    838,429.44/1,257,644.73 = 269,810.42/x
  3. Step 3: Cross multiply
    838,429.44x = 1,257,644.73 × 269,810.42
  4. Step 4: Simplify right side
    838,429.44x = 339,325,652,812.09
  5. Step 5: Solve for x
    x = 339,325,652,812.09/838,429.44
  6. Step 6: Final answer
    x = 404,715.81

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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.