Finding the Fourth Proportional to 512,874.96, 768,624.77 and 399,160.08
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Solution
The fourth proportional to 512,874.96, 768,624.77 and 399,160.08 is: 598,204.92
Step by Step Solution
- Step 1: Write the proportion equation
512,874.96 : 768,624.77 = 399,160.08 : x - Step 2: Convert to fraction form
512,874.96/768,624.77 = 399,160.08/x - Step 3: Cross multiply
512,874.96x = 768,624.77 × 399,160.08 - Step 4: Simplify right side
512,874.96x = 306,804,322,687.38 - Step 5: Solve for x
x = 306,804,322,687.38/512,874.96 - Step 6: Final answer
x = 598,204.92
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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.