Home / 659,198.25-909,668.37-372,724.34

Finding the Fourth Proportional to 659,198.25, 909,668.37 and 372,724.34

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Solution

The fourth proportional to 659,198.25, 909,668.37 and 372,724.34 is: 514,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,198.25 : 909,668.37 = 372,724.34 : x
  2. Step 2: Convert to fraction form
    659,198.25/909,668.37 = 372,724.34/x
  3. Step 3: Cross multiply
    659,198.25x = 909,668.37 × 372,724.34
  4. Step 4: Simplify right side
    659,198.25x = 339,055,539,676.50
  5. Step 5: Solve for x
    x = 339,055,539,676.50/659,198.25
  6. Step 6: Final answer
    x = 514,345.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.