Home / 909,511.43-1,364,034.42-269,665.56

Finding the Fourth Proportional to 909,511.43, 1,364,034.42 and 269,665.56

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Solution

The fourth proportional to 909,511.43, 1,364,034.42 and 269,665.56 is: 404,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,511.43 : 1,364,034.42 = 269,665.56 : x
  2. Step 2: Convert to fraction form
    909,511.43/1,364,034.42 = 269,665.56/x
  3. Step 3: Cross multiply
    909,511.43x = 1,364,034.42 × 269,665.56
  4. Step 4: Simplify right side
    909,511.43x = 367,833,105,728.58
  5. Step 5: Solve for x
    x = 367,833,105,728.58/909,511.43
  6. Step 6: Final answer
    x = 404,429.34

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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.