Finding the Fourth Proportional to 519,391.19, 779,382.74 and 414,874.46
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Solution
The fourth proportional to 519,391.19, 779,382.74 and 414,874.46 is: 622,548.09
Step by Step Solution
- Step 1: Write the proportion equation
519,391.19 : 779,382.74 = 414,874.46 : x - Step 2: Convert to fraction form
519,391.19/779,382.74 = 414,874.46/x - Step 3: Cross multiply
519,391.19x = 779,382.74 × 414,874.46 - Step 4: Simplify right side
519,391.19x = 323,345,990,531.09 - Step 5: Solve for x
x = 323,345,990,531.09/519,391.19 - Step 6: Final answer
x = 622,548.09
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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.