Finding the Fourth Proportional to 808,414.27, 1,212,745.97 and 275,811.15
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Solution
The fourth proportional to 808,414.27, 1,212,745.97 and 275,811.15 is: 413,759.22
Step by Step Solution
- Step 1: Write the proportion equation
808,414.27 : 1,212,745.97 = 275,811.15 : x - Step 2: Convert to fraction form
808,414.27/1,212,745.97 = 275,811.15/x - Step 3: Cross multiply
808,414.27x = 1,212,745.97 × 275,811.15 - Step 4: Simplify right side
808,414.27x = 334,488,860,643.57 - Step 5: Solve for x
x = 334,488,860,643.57/808,414.27 - Step 6: Final answer
x = 413,759.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.