Finding the Fourth Proportional to 675,486.14, 1,012,974.80 and 275,913.27
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Solution
The fourth proportional to 675,486.14, 1,012,974.80 and 275,913.27 is: 413,765.99
Step by Step Solution
- Step 1: Write the proportion equation
675,486.14 : 1,012,974.80 = 275,913.27 : x - Step 2: Convert to fraction form
675,486.14/1,012,974.80 = 275,913.27/x - Step 3: Cross multiply
675,486.14x = 1,012,974.80 × 275,913.27 - Step 4: Simplify right side
675,486.14x = 279,493,188,116.03 - Step 5: Solve for x
x = 279,493,188,116.03/675,486.14 - Step 6: Final answer
x = 413,765.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.