Finding the Fourth Proportional to 756,424.92, 1,043,864.28 and 416,893.08
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Solution
The fourth proportional to 756,424.92, 1,043,864.28 and 416,893.08 is: 575,311.29
Step by Step Solution
- Step 1: Write the proportion equation
756,424.92 : 1,043,864.28 = 416,893.08 : x - Step 2: Convert to fraction form
756,424.92/1,043,864.28 = 416,893.08/x - Step 3: Cross multiply
756,424.92x = 1,043,864.28 × 416,893.08 - Step 4: Simplify right side
756,424.92x = 435,179,794,791.18 - Step 5: Solve for x
x = 435,179,794,791.18/756,424.92 - Step 6: Final answer
x = 575,311.29
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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.