Home / 825,541.44-1,238,369.76-326,904

Finding the Fourth Proportional to 825,541.44, 1,238,369.76 and 326,904

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Solution

The fourth proportional to 825,541.44, 1,238,369.76 and 326,904 is: 490,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,541.44 : 1,238,369.76 = 326,904 : x
  2. Step 2: Convert to fraction form
    825,541.44/1,238,369.76 = 326,904/x
  3. Step 3: Cross multiply
    825,541.44x = 1,238,369.76 × 326,904
  4. Step 4: Simplify right side
    825,541.44x = 404,828,028,023.04
  5. Step 5: Solve for x
    x = 404,828,028,023.04/825,541.44
  6. Step 6: Final answer
    x = 490,378.81

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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.