Finding the Fourth Proportional to 490,560.56, 676,912.68 and 283,864.44
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Solution
The fourth proportional to 490,560.56, 676,912.68 and 283,864.44 is: 391,697.70
Step by Step Solution
- Step 1: Write the proportion equation
490,560.56 : 676,912.68 = 283,864.44 : x - Step 2: Convert to fraction form
490,560.56/676,912.68 = 283,864.44/x - Step 3: Cross multiply
490,560.56x = 676,912.68 × 283,864.44 - Step 4: Simplify right side
490,560.56x = 192,151,438,837.10 - Step 5: Solve for x
x = 192,151,438,837.10/490,560.56 - Step 6: Final answer
x = 391,697.70
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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.