Finding the Fourth Proportional to 890,841.82, 1,336,120.49 and 259,607.98
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Solution
The fourth proportional to 890,841.82, 1,336,120.49 and 259,607.98 is: 389,370.52
Step by Step Solution
- Step 1: Write the proportion equation
890,841.82 : 1,336,120.49 = 259,607.98 : x - Step 2: Convert to fraction form
890,841.82/1,336,120.49 = 259,607.98/x - Step 3: Cross multiply
890,841.82x = 1,336,120.49 × 259,607.98 - Step 4: Simplify right side
890,841.82x = 346,867,541,445.51 - Step 5: Solve for x
x = 346,867,541,445.51/890,841.82 - Step 6: Final answer
x = 389,370.52
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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.