Finding the Fourth Proportional to 850,213.73, 1,173,286.78 and 463,035.62
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Solution
The fourth proportional to 850,213.73, 1,173,286.78 and 463,035.62 is: 638,984.70
Step by Step Solution
- Step 1: Write the proportion equation
850,213.73 : 1,173,286.78 = 463,035.62 : x - Step 2: Convert to fraction form
850,213.73/1,173,286.78 = 463,035.62/x - Step 3: Cross multiply
850,213.73x = 1,173,286.78 × 463,035.62 - Step 4: Simplify right side
850,213.73x = 543,273,565,748.67 - Step 5: Solve for x
x = 543,273,565,748.67/850,213.73 - Step 6: Final answer
x = 638,984.70
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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.