Finding the Fourth Proportional to 809,235.63, 1,213,911.77 and 310,599.63
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Solution
The fourth proportional to 809,235.63, 1,213,911.77 and 310,599.63 is: 465,921.83
Step by Step Solution
- Step 1: Write the proportion equation
809,235.63 : 1,213,911.77 = 310,599.63 : x - Step 2: Convert to fraction form
809,235.63/1,213,911.77 = 310,599.63/x - Step 3: Cross multiply
809,235.63x = 1,213,911.77 × 310,599.63 - Step 4: Simplify right side
809,235.63x = 377,040,546,614.65 - Step 5: Solve for x
x = 377,040,546,614.65/809,235.63 - Step 6: Final answer
x = 465,921.83
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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.