Finding the Fourth Proportional to 853,166.76, 1,279,618.62 and 284,557.80
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Solution
The fourth proportional to 853,166.76, 1,279,618.62 and 284,557.80 is: 426,792.83
Step by Step Solution
- Step 1: Write the proportion equation
853,166.76 : 1,279,618.62 = 284,557.80 : x - Step 2: Convert to fraction form
853,166.76/1,279,618.62 = 284,557.80/x - Step 3: Cross multiply
853,166.76x = 1,279,618.62 × 284,557.80 - Step 4: Simplify right side
853,166.76x = 364,125,459,346.24 - Step 5: Solve for x
x = 364,125,459,346.24/853,166.76 - Step 6: Final answer
x = 426,792.83
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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.