Finding the Fourth Proportional to 512,821.73, 707,692.24 and 283,372.63
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Solution
The fourth proportional to 512,821.73, 707,692.24 and 283,372.63 is: 391,053.26
Step by Step Solution
- Step 1: Write the proportion equation
512,821.73 : 707,692.24 = 283,372.63 : x - Step 2: Convert to fraction form
512,821.73/707,692.24 = 283,372.63/x - Step 3: Cross multiply
512,821.73x = 707,692.24 × 283,372.63 - Step 4: Simplify right side
512,821.73x = 200,540,609,864.38 - Step 5: Solve for x
x = 200,540,609,864.38/512,821.73 - Step 6: Final answer
x = 391,053.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.