Finding the Fourth Proportional to 685,302.12, 1,027,361.94 and 329,827.08
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Solution
The fourth proportional to 685,302.12, 1,027,361.94 and 329,827.08 is: 494,456.06
Step by Step Solution
- Step 1: Write the proportion equation
685,302.12 : 1,027,361.94 = 329,827.08 : x - Step 2: Convert to fraction form
685,302.12/1,027,361.94 = 329,827.08/x - Step 3: Cross multiply
685,302.12x = 1,027,361.94 × 329,827.08 - Step 4: Simplify right side
685,302.12x = 338,851,788,773.34 - Step 5: Solve for x
x = 338,851,788,773.34/685,302.12 - Step 6: Final answer
x = 494,456.06
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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.