Finding the Fourth Proportional to 804,571.16, 1,207,012.26 and 272,178.68
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Solution
The fourth proportional to 804,571.16, 1,207,012.26 and 272,178.68 is: 408,320.63
Step by Step Solution
- Step 1: Write the proportion equation
804,571.16 : 1,207,012.26 = 272,178.68 : x - Step 2: Convert to fraction form
804,571.16/1,207,012.26 = 272,178.68/x - Step 3: Cross multiply
804,571.16x = 1,207,012.26 × 272,178.68 - Step 4: Simplify right side
804,571.16x = 328,523,003,670.62 - Step 5: Solve for x
x = 328,523,003,670.62/804,571.16 - Step 6: Final answer
x = 408,320.63
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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.