Home / 685,047.09-1,027,574.91-179,603.52

Finding the Fourth Proportional to 685,047.09, 1,027,574.91 and 179,603.52

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Solution

The fourth proportional to 685,047.09, 1,027,574.91 and 179,603.52 is: 269,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,047.09 : 1,027,574.91 = 179,603.52 : x
  2. Step 2: Convert to fraction form
    685,047.09/1,027,574.91 = 179,603.52/x
  3. Step 3: Cross multiply
    685,047.09x = 1,027,574.91 × 179,603.52
  4. Step 4: Simplify right side
    685,047.09x = 184,556,067,046.28
  5. Step 5: Solve for x
    x = 184,556,067,046.28/685,047.09
  6. Step 6: Final answer
    x = 269,406.39

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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.