Finding the Fourth Proportional to 809,074.61, 1,214,153.69 and 335,760.42
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Solution
The fourth proportional to 809,074.61, 1,214,153.69 and 335,760.42 is: 503,865.46
Step by Step Solution
- Step 1: Write the proportion equation
809,074.61 : 1,214,153.69 = 335,760.42 : x - Step 2: Convert to fraction form
809,074.61/1,214,153.69 = 335,760.42/x - Step 3: Cross multiply
809,074.61x = 1,214,153.69 × 335,760.42 - Step 4: Simplify right side
809,074.61x = 407,664,751,220.15 - Step 5: Solve for x
x = 407,664,751,220.15/809,074.61 - Step 6: Final answer
x = 503,865.46
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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.