Finding the Fourth Proportional to 547,546.74, 755,606.45 and 305,832.84
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Solution
The fourth proportional to 547,546.74, 755,606.45 and 305,832.84 is: 422,044.82
Step by Step Solution
- Step 1: Write the proportion equation
547,546.74 : 755,606.45 = 305,832.84 : x - Step 2: Convert to fraction form
547,546.74/755,606.45 = 305,832.84/x - Step 3: Cross multiply
547,546.74x = 755,606.45 × 305,832.84 - Step 4: Simplify right side
547,546.74x = 231,089,266,525.82 - Step 5: Solve for x
x = 231,089,266,525.82/547,546.74 - Step 6: Final answer
x = 422,044.82
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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.