Home / 686,025.89-1,028,489.31-326,016.08

Finding the Fourth Proportional to 686,025.89, 1,028,489.31 and 326,016.08

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Solution

The fourth proportional to 686,025.89, 1,028,489.31 and 326,016.08 is: 488,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,025.89 : 1,028,489.31 = 326,016.08 : x
  2. Step 2: Convert to fraction form
    686,025.89/1,028,489.31 = 326,016.08/x
  3. Step 3: Cross multiply
    686,025.89x = 1,028,489.31 × 326,016.08
  4. Step 4: Simplify right side
    686,025.89x = 335,304,048,025.66
  5. Step 5: Solve for x
    x = 335,304,048,025.66/686,025.89
  6. Step 6: Final answer
    x = 488,762.97

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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.