Finding the Fourth Proportional to 809,706.87, 1,213,747.47 and 276,863.49
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Solution
The fourth proportional to 809,706.87, 1,213,747.47 and 276,863.49 is: 415,017.30
Step by Step Solution
- Step 1: Write the proportion equation
809,706.87 : 1,213,747.47 = 276,863.49 : x - Step 2: Convert to fraction form
809,706.87/1,213,747.47 = 276,863.49/x - Step 3: Cross multiply
809,706.87x = 1,213,747.47 × 276,863.49 - Step 4: Simplify right side
809,706.87x = 336,042,360,522.87 - Step 5: Solve for x
x = 336,042,360,522.87/809,706.87 - Step 6: Final answer
x = 415,017.30
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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.