Finding the Fourth Proportional to 809,604.68, 1,214,411.18 and 336,290.49
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Solution
The fourth proportional to 809,604.68, 1,214,411.18 and 336,290.49 is: 504,437.46
Step by Step Solution
- Step 1: Write the proportion equation
809,604.68 : 1,214,411.18 = 336,290.49 : x - Step 2: Convert to fraction form
809,604.68/1,214,411.18 = 336,290.49/x - Step 3: Cross multiply
809,604.68x = 1,214,411.18 × 336,290.49 - Step 4: Simplify right side
809,604.68x = 408,394,929,102.23 - Step 5: Solve for x
x = 408,394,929,102.23/809,604.68 - Step 6: Final answer
x = 504,437.46
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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.