Finding the Fourth Proportional to 741,408.76, 1,110,843.76 and 404,685.84
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Solution
The fourth proportional to 741,408.76, 1,110,843.76 and 404,685.84 is: 606,335.89
Step by Step Solution
- Step 1: Write the proportion equation
741,408.76 : 1,110,843.76 = 404,685.84 : x - Step 2: Convert to fraction form
741,408.76/1,110,843.76 = 404,685.84/x - Step 3: Cross multiply
741,408.76x = 1,110,843.76 × 404,685.84 - Step 4: Simplify right side
741,408.76x = 449,542,740,124.36 - Step 5: Solve for x
x = 449,542,740,124.36/741,408.76 - Step 6: Final answer
x = 606,335.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.