Finding the Fourth Proportional to 756,353.16, 1,043,753.42 and 412,191.84
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Solution
The fourth proportional to 756,353.16, 1,043,753.42 and 412,191.84 is: 568,817.14
Step by Step Solution
- Step 1: Write the proportion equation
756,353.16 : 1,043,753.42 = 412,191.84 : x - Step 2: Convert to fraction form
756,353.16/1,043,753.42 = 412,191.84/x - Step 3: Cross multiply
756,353.16x = 1,043,753.42 × 412,191.84 - Step 4: Simplify right side
756,353.16x = 430,226,642,696.09 - Step 5: Solve for x
x = 430,226,642,696.09/756,353.16 - Step 6: Final answer
x = 568,817.14
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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.