Finding the Fourth Proportional to 938,231.26, 1,294,758.36 and 508,511.26
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Solution
The fourth proportional to 938,231.26, 1,294,758.36 and 508,511.26 is: 701,745.12
Step by Step Solution
- Step 1: Write the proportion equation
938,231.26 : 1,294,758.36 = 508,511.26 : x - Step 2: Convert to fraction form
938,231.26/1,294,758.36 = 508,511.26/x - Step 3: Cross multiply
938,231.26x = 1,294,758.36 × 508,511.26 - Step 4: Simplify right side
938,231.26x = 658,399,205,039.13 - Step 5: Solve for x
x = 658,399,205,039.13/938,231.26 - Step 6: Final answer
x = 701,745.12
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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.