Finding the Fourth Proportional to 987,355.62, 1,481,084.15 and 277,439.00
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Solution
The fourth proportional to 987,355.62, 1,481,084.15 and 277,439.00 is: 416,172.74
Step by Step Solution
- Step 1: Write the proportion equation
987,355.62 : 1,481,084.15 = 277,439.00 : x - Step 2: Convert to fraction form
987,355.62/1,481,084.15 = 277,439.00/x - Step 3: Cross multiply
987,355.62x = 1,481,084.15 × 277,439.00 - Step 4: Simplify right side
987,355.62x = 410,910,496,699.23 - Step 5: Solve for x
x = 410,910,496,699.23/987,355.62 - Step 6: Final answer
x = 416,172.74
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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.