Finding the Fourth Proportional to 850,789.26, 1,276,208.64 and 318,208.68
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Solution
The fourth proportional to 850,789.26, 1,276,208.64 and 318,208.68 is: 477,322.28
Step by Step Solution
- Step 1: Write the proportion equation
850,789.26 : 1,276,208.64 = 318,208.68 : x - Step 2: Convert to fraction form
850,789.26/1,276,208.64 = 318,208.68/x - Step 3: Cross multiply
850,789.26x = 1,276,208.64 × 318,208.68 - Step 4: Simplify right side
850,789.26x = 406,100,666,739.00 - Step 5: Solve for x
x = 406,100,666,739.00/850,789.26 - Step 6: Final answer
x = 477,322.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.