Finding the Fourth Proportional to 853,467.77, 1,279,920.24 and 284,692.13
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Solution
The fourth proportional to 853,467.77, 1,279,920.24 and 284,692.13 is: 426,944.32
Step by Step Solution
- Step 1: Write the proportion equation
853,467.77 : 1,279,920.24 = 284,692.13 : x - Step 2: Convert to fraction form
853,467.77/1,279,920.24 = 284,692.13/x - Step 3: Cross multiply
853,467.77x = 1,279,920.24 × 284,692.13 - Step 4: Simplify right side
853,467.77x = 364,383,212,956.11 - Step 5: Solve for x
x = 364,383,212,956.11/853,467.77 - Step 6: Final answer
x = 426,944.32
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1.5x scale
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.