Finding the Fourth Proportional to 726,794.09, 1,090,108.09 and 194,356.64
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Solution
The fourth proportional to 726,794.09, 1,090,108.09 and 194,356.64 is: 291,512.75
Step by Step Solution
- Step 1: Write the proportion equation
726,794.09 : 1,090,108.09 = 194,356.64 : x - Step 2: Convert to fraction form
726,794.09/1,090,108.09 = 194,356.64/x - Step 3: Cross multiply
726,794.09x = 1,090,108.09 × 194,356.64 - Step 4: Simplify right side
726,794.09x = 211,869,745,609.22 - Step 5: Solve for x
x = 211,869,745,609.22/726,794.09 - Step 6: Final answer
x = 291,512.75
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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.