Finding the Fourth Proportional to 576,435.97, 789,713.60 and 554,879.91
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Solution
The fourth proportional to 576,435.97, 789,713.60 and 554,879.91 is: 760,181.94
Step by Step Solution
- Step 1: Write the proportion equation
576,435.97 : 789,713.60 = 554,879.91 : x - Step 2: Convert to fraction form
576,435.97/789,713.60 = 554,879.91/x - Step 3: Cross multiply
576,435.97x = 789,713.60 × 554,879.91 - Step 4: Simplify right side
576,435.97x = 438,196,211,293.78 - Step 5: Solve for x
x = 438,196,211,293.78/576,435.97 - Step 6: Final answer
x = 760,181.94
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.