Finding the Fourth Proportional to 512,952.33, 707,910.84 and 283,504.68
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Solution
The fourth proportional to 512,952.33, 707,910.84 and 283,504.68 is: 391,256.70
Step by Step Solution
- Step 1: Write the proportion equation
512,952.33 : 707,910.84 = 283,504.68 : x - Step 2: Convert to fraction form
512,952.33/707,910.84 = 283,504.68/x - Step 3: Cross multiply
512,952.33x = 707,910.84 × 283,504.68 - Step 4: Simplify right side
512,952.33x = 200,696,035,896.95 - Step 5: Solve for x
x = 200,696,035,896.95/512,952.33 - Step 6: Final answer
x = 391,256.70
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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.