Home / 685,008.36-1,028,017.26-325,180.44

Finding the Fourth Proportional to 685,008.36, 1,028,017.26 and 325,180.44

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Solution

The fourth proportional to 685,008.36, 1,028,017.26 and 325,180.44 is: 488,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,008.36 : 1,028,017.26 = 325,180.44 : x
  2. Step 2: Convert to fraction form
    685,008.36/1,028,017.26 = 325,180.44/x
  3. Step 3: Cross multiply
    685,008.36x = 1,028,017.26 × 325,180.44
  4. Step 4: Simplify right side
    685,008.36x = 334,291,104,934.39
  5. Step 5: Solve for x
    x = 334,291,104,934.39/685,008.36
  6. Step 6: Final answer
    x = 488,010.26

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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.