Finding the Fourth Proportional to 744,408.60, 1,115,937.18 and 270,759.12
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Solution
The fourth proportional to 744,408.60, 1,115,937.18 and 270,759.12 is: 405,892.90
Step by Step Solution
- Step 1: Write the proportion equation
744,408.60 : 1,115,937.18 = 270,759.12 : x - Step 2: Convert to fraction form
744,408.60/1,115,937.18 = 270,759.12/x - Step 3: Cross multiply
744,408.60x = 1,115,937.18 × 270,759.12 - Step 4: Simplify right side
744,408.60x = 302,150,168,832.08 - Step 5: Solve for x
x = 302,150,168,832.08/744,408.60 - Step 6: Final answer
x = 405,892.90
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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.