Finding the Fourth Proportional to 512,596.38, 707,353.68 and 306,097.79
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Solution
The fourth proportional to 512,596.38, 707,353.68 and 306,097.79 is: 422,397.43
Step by Step Solution
- Step 1: Write the proportion equation
512,596.38 : 707,353.68 = 306,097.79 : x - Step 2: Convert to fraction form
512,596.38/707,353.68 = 306,097.79/x - Step 3: Cross multiply
512,596.38x = 707,353.68 × 306,097.79 - Step 4: Simplify right side
512,596.38x = 216,519,394,659.60 - Step 5: Solve for x
x = 216,519,394,659.60/512,596.38 - Step 6: Final answer
x = 422,397.43
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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.