Home / 909,816.57-1,364,491.20-269,968.97

Finding the Fourth Proportional to 909,816.57, 1,364,491.20 and 269,968.97

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Solution

The fourth proportional to 909,816.57, 1,364,491.20 and 269,968.97 is: 404,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,816.57 : 1,364,491.20 = 269,968.97 : x
  2. Step 2: Convert to fraction form
    909,816.57/1,364,491.20 = 269,968.97/x
  3. Step 3: Cross multiply
    909,816.57x = 1,364,491.20 × 269,968.97
  4. Step 4: Simplify right side
    909,816.57x = 368,370,283,838.06
  5. Step 5: Solve for x
    x = 368,370,283,838.06/909,816.57
  6. Step 6: Final answer
    x = 404,884.12

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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.