Finding the Fourth Proportional to 580,260.99, 870,639.17 and 327,731.07
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Solution
The fourth proportional to 580,260.99, 870,639.17 and 327,731.07 is: 491,736.49
Step by Step Solution
- Step 1: Write the proportion equation
580,260.99 : 870,639.17 = 327,731.07 : x - Step 2: Convert to fraction form
580,260.99/870,639.17 = 327,731.07/x - Step 3: Cross multiply
580,260.99x = 870,639.17 × 327,731.07 - Step 4: Simplify right side
580,260.99x = 285,335,505,129.36 - Step 5: Solve for x
x = 285,335,505,129.36/580,260.99 - Step 6: Final answer
x = 491,736.49
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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.