Finding the Fourth Proportional to 848,706.14, 1,273,098.99 and 280,136.81
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Solution
The fourth proportional to 848,706.14, 1,273,098.99 and 280,136.81 is: 420,218.35
Step by Step Solution
- Step 1: Write the proportion equation
848,706.14 : 1,273,098.99 = 280,136.81 : x - Step 2: Convert to fraction form
848,706.14/1,273,098.99 = 280,136.81/x - Step 3: Cross multiply
848,706.14x = 1,273,098.99 × 280,136.81 - Step 4: Simplify right side
848,706.14x = 356,641,889,872.82 - Step 5: Solve for x
x = 356,641,889,872.82/848,706.14 - Step 6: Final answer
x = 420,218.35
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1.5x scale
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.