Finding the Fourth Proportional to 792,579.73, 1,188,855.82 and 319,252.99
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Solution
The fourth proportional to 792,579.73, 1,188,855.82 and 319,252.99 is: 478,873.94
Step by Step Solution
- Step 1: Write the proportion equation
792,579.73 : 1,188,855.82 = 319,252.99 : x - Step 2: Convert to fraction form
792,579.73/1,188,855.82 = 319,252.99/x - Step 3: Cross multiply
792,579.73x = 1,188,855.82 × 319,252.99 - Step 4: Simplify right side
792,579.73x = 379,545,775,213.90 - Step 5: Solve for x
x = 379,545,775,213.90/792,579.73 - Step 6: Final answer
x = 478,873.94
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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.