Finding the Fourth Proportional to 756,715.64, 1,135,235.24 and 276,941.82
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Solution
The fourth proportional to 756,715.64, 1,135,235.24 and 276,941.82 is: 415,471.94
Step by Step Solution
- Step 1: Write the proportion equation
756,715.64 : 1,135,235.24 = 276,941.82 : x - Step 2: Convert to fraction form
756,715.64/1,135,235.24 = 276,941.82/x - Step 3: Cross multiply
756,715.64x = 1,135,235.24 × 276,941.82 - Step 4: Simplify right side
756,715.64x = 314,394,112,109.03 - Step 5: Solve for x
x = 314,394,112,109.03/756,715.64 - Step 6: Final answer
x = 415,471.94
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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.