Finding the Fourth Proportional to 512,486.09, 768,731.87 and 336,110.01
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Solution
The fourth proportional to 512,486.09, 768,731.87 and 336,110.01 is: 504,166.80
Step by Step Solution
- Step 1: Write the proportion equation
512,486.09 : 768,731.87 = 336,110.01 : x - Step 2: Convert to fraction form
512,486.09/768,731.87 = 336,110.01/x - Step 3: Cross multiply
512,486.09x = 768,731.87 × 336,110.01 - Step 4: Simplify right side
512,486.09x = 258,378,472,579.93 - Step 5: Solve for x
x = 258,378,472,579.93/512,486.09 - Step 6: Final answer
x = 504,166.80
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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.