Home / 539,629.86-744,786.70-321,852.52

Finding the Fourth Proportional to 539,629.86, 744,786.70 and 321,852.52

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Solution

The fourth proportional to 539,629.86, 744,786.70 and 321,852.52 is: 444,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,629.86 : 744,786.70 = 321,852.52 : x
  2. Step 2: Convert to fraction form
    539,629.86/744,786.70 = 321,852.52/x
  3. Step 3: Cross multiply
    539,629.86x = 744,786.70 × 321,852.52
  4. Step 4: Simplify right side
    539,629.86x = 239,711,476,383.84
  5. Step 5: Solve for x
    x = 239,711,476,383.84/539,629.86
  6. Step 6: Final answer
    x = 444,214.62

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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.