Finding the Fourth Proportional to 850,791.26, 1,276,211.64 and 318,210.68
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Solution
The fourth proportional to 850,791.26, 1,276,211.64 and 318,210.68 is: 477,325.28
Step by Step Solution
- Step 1: Write the proportion equation
850,791.26 : 1,276,211.64 = 318,210.68 : x - Step 2: Convert to fraction form
850,791.26/1,276,211.64 = 318,210.68/x - Step 3: Cross multiply
850,791.26x = 1,276,211.64 × 318,210.68 - Step 4: Simplify right side
850,791.26x = 406,104,173,788.32 - Step 5: Solve for x
x = 406,104,173,788.32/850,791.26 - Step 6: Final answer
x = 477,325.28
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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.