Home / 415,015.24-622,717.28-204,538.36

Finding the Fourth Proportional to 415,015.24, 622,717.28 and 204,538.36

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Solution

The fourth proportional to 415,015.24, 622,717.28 and 204,538.36 is: 306,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,015.24 : 622,717.28 = 204,538.36 : x
  2. Step 2: Convert to fraction form
    415,015.24/622,717.28 = 204,538.36/x
  3. Step 3: Cross multiply
    415,015.24x = 622,717.28 × 204,538.36
  4. Step 4: Simplify right side
    415,015.24x = 127,369,571,194.86
  5. Step 5: Solve for x
    x = 127,369,571,194.86/415,015.24
  6. Step 6: Final answer
    x = 306,903.36

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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.