Finding the Fourth Proportional to 809,343.80, 1,214,501.70 and 335,979.80
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Solution
The fourth proportional to 809,343.80, 1,214,501.70 and 335,979.80 is: 504,171.45
Step by Step Solution
- Step 1: Write the proportion equation
809,343.80 : 1,214,501.70 = 335,979.80 : x - Step 2: Convert to fraction form
809,343.80/1,214,501.70 = 335,979.80/x - Step 3: Cross multiply
809,343.80x = 1,214,501.70 × 335,979.80 - Step 4: Simplify right side
809,343.80x = 408,048,038,265.66 - Step 5: Solve for x
x = 408,048,038,265.66/809,343.80 - Step 6: Final answer
x = 504,171.45
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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.