Finding the Fourth Proportional to 987,082.17, 1,362,161.94 and 557,380.41
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Solution
The fourth proportional to 987,082.17, 1,362,161.94 and 557,380.41 is: 769,178.50
Step by Step Solution
- Step 1: Write the proportion equation
987,082.17 : 1,362,161.94 = 557,380.41 : x - Step 2: Convert to fraction form
987,082.17/1,362,161.94 = 557,380.41/x - Step 3: Cross multiply
987,082.17x = 1,362,161.94 × 557,380.41 - Step 4: Simplify right side
987,082.17x = 759,242,380,603.60 - Step 5: Solve for x
x = 759,242,380,603.60/987,082.17 - Step 6: Final answer
x = 769,178.50
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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.