Finding the Fourth Proportional to 548,274.36, 756,583.56 and 306,576.84
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Solution
The fourth proportional to 548,274.36, 756,583.56 and 306,576.84 is: 423,056.44
Step by Step Solution
- Step 1: Write the proportion equation
548,274.36 : 756,583.56 = 306,576.84 : x - Step 2: Convert to fraction form
548,274.36/756,583.56 = 306,576.84/x - Step 3: Cross multiply
548,274.36x = 756,583.56 × 306,576.84 - Step 4: Simplify right side
548,274.36x = 231,950,997,020.75 - Step 5: Solve for x
x = 231,950,997,020.75/548,274.36 - Step 6: Final answer
x = 423,056.44
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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.