Finding the Fourth Proportional to 617,745.97, 927,218.15 and 298,122.79
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Solution
The fourth proportional to 617,745.97, 927,218.15 and 298,122.79 is: 447,473.35
Step by Step Solution
- Step 1: Write the proportion equation
617,745.97 : 927,218.15 = 298,122.79 : x - Step 2: Convert to fraction form
617,745.97/927,218.15 = 298,122.79/x - Step 3: Cross multiply
617,745.97x = 927,218.15 × 298,122.79 - Step 4: Simplify right side
617,745.97x = 276,424,860,243.90 - Step 5: Solve for x
x = 276,424,860,243.90/617,745.97 - Step 6: Final answer
x = 447,473.35
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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.