Finding the Fourth Proportional to 812,372.09, 1,218,674.77 and 279,750.11
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Solution
The fourth proportional to 812,372.09, 1,218,674.77 and 279,750.11 is: 419,665.32
Step by Step Solution
- Step 1: Write the proportion equation
812,372.09 : 1,218,674.77 = 279,750.11 : x - Step 2: Convert to fraction form
812,372.09/1,218,674.77 = 279,750.11/x - Step 3: Cross multiply
812,372.09x = 1,218,674.77 × 279,750.11 - Step 4: Simplify right side
812,372.09x = 340,924,394,168.98 - Step 5: Solve for x
x = 340,924,394,168.98/812,372.09 - Step 6: Final answer
x = 419,665.32
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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.