Finding the Fourth Proportional to 984,509.88, 1,477,013.89 and 274,537.99
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Solution
The fourth proportional to 984,509.88, 1,477,013.89 and 274,537.99 is: 411,876.44
Step by Step Solution
- Step 1: Write the proportion equation
984,509.88 : 1,477,013.89 = 274,537.99 : x - Step 2: Convert to fraction form
984,509.88/1,477,013.89 = 274,537.99/x - Step 3: Cross multiply
984,509.88x = 1,477,013.89 × 274,537.99 - Step 4: Simplify right side
984,509.88x = 405,496,424,562.68 - Step 5: Solve for x
x = 405,496,424,562.68/984,509.88 - Step 6: Final answer
x = 411,876.44
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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.