Finding the Fourth Proportional to 980,767.63, 1,354,063.17 and 777,639.07
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Solution
The fourth proportional to 980,767.63, 1,354,063.17 and 777,639.07 is: 1,073,620.69
Step by Step Solution
- Step 1: Write the proportion equation
980,767.63 : 1,354,063.17 = 777,639.07 : x - Step 2: Convert to fraction form
980,767.63/1,354,063.17 = 777,639.07/x - Step 3: Cross multiply
980,767.63x = 1,354,063.17 × 777,639.07 - Step 4: Simplify right side
980,767.63x = 1,052,972,424,240.05 - Step 5: Solve for x
x = 1,052,972,424,240.05/980,767.63 - Step 6: Final answer
x = 1,073,620.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.