Home / 744,914.09-1,028,004.78-422,637.77

Finding the Fourth Proportional to 744,914.09, 1,028,004.78 and 422,637.77

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Solution

The fourth proportional to 744,914.09, 1,028,004.78 and 422,637.77 is: 583,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,914.09 : 1,028,004.78 = 422,637.77 : x
  2. Step 2: Convert to fraction form
    744,914.09/1,028,004.78 = 422,637.77/x
  3. Step 3: Cross multiply
    744,914.09x = 1,028,004.78 × 422,637.77
  4. Step 4: Simplify right side
    744,914.09x = 434,473,647,768.54
  5. Step 5: Solve for x
    x = 434,473,647,768.54/744,914.09
  6. Step 6: Final answer
    x = 583,253.36

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1.5x scale

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.