Finding the Fourth Proportional to 769,063.68, 1,153,728.36 and 342,750.96
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Solution
The fourth proportional to 769,063.68, 1,153,728.36 and 342,750.96 is: 514,185.64
Step by Step Solution
- Step 1: Write the proportion equation
769,063.68 : 1,153,728.36 = 342,750.96 : x - Step 2: Convert to fraction form
769,063.68/1,153,728.36 = 342,750.96/x - Step 3: Cross multiply
769,063.68x = 1,153,728.36 × 342,750.96 - Step 4: Simplify right side
769,063.68x = 395,441,502,969.23 - Step 5: Solve for x
x = 395,441,502,969.23/769,063.68 - Step 6: Final answer
x = 514,185.64
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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.