Finding the Fourth Proportional to 490,884.44, 677,407.07 and 276,018.98
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Solution
The fourth proportional to 490,884.44, 677,407.07 and 276,018.98 is: 380,898.62
Step by Step Solution
- Step 1: Write the proportion equation
490,884.44 : 677,407.07 = 276,018.98 : x - Step 2: Convert to fraction form
490,884.44/677,407.07 = 276,018.98/x - Step 3: Cross multiply
490,884.44x = 677,407.07 × 276,018.98 - Step 4: Simplify right side
490,884.44x = 186,977,207,126.09 - Step 5: Solve for x
x = 186,977,207,126.09/490,884.44 - Step 6: Final answer
x = 380,898.62
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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.