Finding the Fourth Proportional to 777,873.75, 1,166,810.63 and 252,561.75
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Solution
The fourth proportional to 777,873.75, 1,166,810.63 and 252,561.75 is: 378,842.63
Step by Step Solution
- Step 1: Write the proportion equation
777,873.75 : 1,166,810.63 = 252,561.75 : x - Step 2: Convert to fraction form
777,873.75/1,166,810.63 = 252,561.75/x - Step 3: Cross multiply
777,873.75x = 1,166,810.63 × 252,561.75 - Step 4: Simplify right side
777,873.75x = 294,691,733,368.59 - Step 5: Solve for x
x = 294,691,733,368.59/777,873.75 - Step 6: Final answer
x = 378,842.63
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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.