Finding the Fourth Proportional to 492,578.88, 679,745.25 and 277,717.05
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Solution
The fourth proportional to 492,578.88, 679,745.25 and 277,717.05 is: 383,241.86
Step by Step Solution
- Step 1: Write the proportion equation
492,578.88 : 679,745.25 = 277,717.05 : x - Step 2: Convert to fraction form
492,578.88/679,745.25 = 277,717.05/x - Step 3: Cross multiply
492,578.88x = 679,745.25 × 277,717.05 - Step 4: Simplify right side
492,578.88x = 188,776,845,581.51 - Step 5: Solve for x
x = 188,776,845,581.51/492,578.88 - Step 6: Final answer
x = 383,241.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.