Home / 744,771.03-1,027,859.67-438,945.89

Finding the Fourth Proportional to 744,771.03, 1,027,859.67 and 438,945.89

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Solution

The fourth proportional to 744,771.03, 1,027,859.67 and 438,945.89 is: 605,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,771.03 : 1,027,859.67 = 438,945.89 : x
  2. Step 2: Convert to fraction form
    744,771.03/1,027,859.67 = 438,945.89/x
  3. Step 3: Cross multiply
    744,771.03x = 1,027,859.67 × 438,945.89
  4. Step 4: Simplify right side
    744,771.03x = 451,174,772,503.96
  5. Step 5: Solve for x
    x = 451,174,772,503.96/744,771.03
  6. Step 6: Final answer
    x = 605,789.91

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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.