Finding the Fourth Proportional to 809,336.80, 1,214,491.20 and 335,972.80
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Solution
The fourth proportional to 809,336.80, 1,214,491.20 and 335,972.80 is: 504,160.95
Step by Step Solution
- Step 1: Write the proportion equation
809,336.80 : 1,214,491.20 = 335,972.80 : x - Step 2: Convert to fraction form
809,336.80/1,214,491.20 = 335,972.80/x - Step 3: Cross multiply
809,336.80x = 1,214,491.20 × 335,972.80 - Step 4: Simplify right side
809,336.80x = 408,036,009,039.36 - Step 5: Solve for x
x = 408,036,009,039.36/809,336.80 - Step 6: Final answer
x = 504,160.95
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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.