Finding the Fourth Proportional to 756,342.82, 1,043,753.28 and 412,178.84
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Solution
The fourth proportional to 756,342.82, 1,043,753.28 and 412,178.84 is: 568,806.90
Step by Step Solution
- Step 1: Write the proportion equation
756,342.82 : 1,043,753.28 = 412,178.84 : x - Step 2: Convert to fraction form
756,342.82/1,043,753.28 = 412,178.84/x - Step 3: Cross multiply
756,342.82x = 1,043,753.28 × 412,178.84 - Step 4: Simplify right side
756,342.82x = 430,213,014,135.70 - Step 5: Solve for x
x = 430,213,014,135.70/756,342.82 - Step 6: Final answer
x = 568,806.90
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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.