Finding the Fourth Proportional to 850,895.12, 1,276,564.08 and 318,458
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Solution
The fourth proportional to 850,895.12, 1,276,564.08 and 318,458 is: 477,769.86
Step by Step Solution
- Step 1: Write the proportion equation
850,895.12 : 1,276,564.08 = 318,458 : x - Step 2: Convert to fraction form
850,895.12/1,276,564.08 = 318,458/x - Step 3: Cross multiply
850,895.12x = 1,276,564.08 × 318,458 - Step 4: Simplify right side
850,895.12x = 406,532,043,788.64 - Step 5: Solve for x
x = 406,532,043,788.64/850,895.12 - Step 6: Final answer
x = 477,769.86
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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.