Finding the Fourth Proportional to 848,421.60, 1,272,361.92 and 279,696.70
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Solution
The fourth proportional to 848,421.60, 1,272,361.92 and 279,696.70 is: 419,455.88
Step by Step Solution
- Step 1: Write the proportion equation
848,421.60 : 1,272,361.92 = 279,696.70 : x - Step 2: Convert to fraction form
848,421.60/1,272,361.92 = 279,696.70/x - Step 3: Cross multiply
848,421.60x = 1,272,361.92 × 279,696.70 - Step 4: Simplify right side
848,421.60x = 355,875,430,229.66 - Step 5: Solve for x
x = 355,875,430,229.66/848,421.60 - Step 6: Final answer
x = 419,455.88
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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.