Finding the Fourth Proportional to 1,007,299.67, 1,511,008.74 and 287,586.05
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Solution
The fourth proportional to 1,007,299.67, 1,511,008.74 and 287,586.05 is: 431,395.99
Step by Step Solution
- Step 1: Write the proportion equation
1,007,299.67 : 1,511,008.74 = 287,586.05 : x - Step 2: Convert to fraction form
1,007,299.67/1,511,008.74 = 287,586.05/x - Step 3: Cross multiply
1,007,299.67x = 1,511,008.74 × 287,586.05 - Step 4: Simplify right side
1,007,299.67x = 434,545,035,052.08 - Step 5: Solve for x
x = 434,545,035,052.08/1,007,299.67 - Step 6: Final answer
x = 431,395.99
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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.