Home / 810,593.12-1,118,676.42-448,009.18

Finding the Fourth Proportional to 810,593.12, 1,118,676.42 and 448,009.18

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Solution

The fourth proportional to 810,593.12, 1,118,676.42 and 448,009.18 is: 618,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,593.12 : 1,118,676.42 = 448,009.18 : x
  2. Step 2: Convert to fraction form
    810,593.12/1,118,676.42 = 448,009.18/x
  3. Step 3: Cross multiply
    810,593.12x = 1,118,676.42 × 448,009.18
  4. Step 4: Simplify right side
    810,593.12x = 501,177,305,609.54
  5. Step 5: Solve for x
    x = 501,177,305,609.54/810,593.12
  6. Step 6: Final answer
    x = 618,284.68

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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.