Finding the Fourth Proportional to 786,940.92, 1,085,843.07 and 442,728.99
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Solution
The fourth proportional to 786,940.92, 1,085,843.07 and 442,728.99 is: 610,889.83
Step by Step Solution
- Step 1: Write the proportion equation
786,940.92 : 1,085,843.07 = 442,728.99 : x - Step 2: Convert to fraction form
786,940.92/1,085,843.07 = 442,728.99/x - Step 3: Cross multiply
786,940.92x = 1,085,843.07 × 442,728.99 - Step 4: Simplify right side
786,940.92x = 480,734,205,679.60 - Step 5: Solve for x
x = 480,734,205,679.60/786,940.92 - Step 6: Final answer
x = 610,889.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.