Finding the Fourth Proportional to 792,629.70, 1,188,694.78 and 260,026.62
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Solution
The fourth proportional to 792,629.70, 1,188,694.78 and 260,026.62 is: 389,957.99
Step by Step Solution
- Step 1: Write the proportion equation
792,629.70 : 1,188,694.78 = 260,026.62 : x - Step 2: Convert to fraction form
792,629.70/1,188,694.78 = 260,026.62/x - Step 3: Cross multiply
792,629.70x = 1,188,694.78 × 260,026.62 - Step 4: Simplify right side
792,629.70x = 309,092,285,855.04 - Step 5: Solve for x
x = 309,092,285,855.04/792,629.70 - Step 6: Final answer
x = 389,957.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.