Finding the Fourth Proportional to 984,400.28, 1,476,683.79 and 274,428.99
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Solution
The fourth proportional to 984,400.28, 1,476,683.79 and 274,428.99 is: 411,666.73
Step by Step Solution
- Step 1: Write the proportion equation
984,400.28 : 1,476,683.79 = 274,428.99 : x - Step 2: Convert to fraction form
984,400.28/1,476,683.79 = 274,428.99/x - Step 3: Cross multiply
984,400.28x = 1,476,683.79 × 274,428.99 - Step 4: Simplify right side
984,400.28x = 405,244,841,039.07 - Step 5: Solve for x
x = 405,244,841,039.07/984,400.28 - Step 6: Final answer
x = 411,666.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.