Finding the Fourth Proportional to 850,872.24, 1,276,377.48 and 311,068.08
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Solution
The fourth proportional to 850,872.24, 1,276,377.48 and 311,068.08 is: 466,627.39
Step by Step Solution
- Step 1: Write the proportion equation
850,872.24 : 1,276,377.48 = 311,068.08 : x - Step 2: Convert to fraction form
850,872.24/1,276,377.48 = 311,068.08/x - Step 3: Cross multiply
850,872.24x = 1,276,377.48 × 311,068.08 - Step 4: Simplify right side
850,872.24x = 397,040,292,058.84 - Step 5: Solve for x
x = 397,040,292,058.84/850,872.24 - Step 6: Final answer
x = 466,627.39
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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.