Finding the Fourth Proportional to 743,538.26, 1,026,092.14 and 404,012.18
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Solution
The fourth proportional to 743,538.26, 1,026,092.14 and 404,012.18 is: 557,541.88
Step by Step Solution
- Step 1: Write the proportion equation
743,538.26 : 1,026,092.14 = 404,012.18 : x - Step 2: Convert to fraction form
743,538.26/1,026,092.14 = 404,012.18/x - Step 3: Cross multiply
743,538.26x = 1,026,092.14 × 404,012.18 - Step 4: Simplify right side
743,538.26x = 414,553,722,362.27 - Step 5: Solve for x
x = 414,553,722,362.27/743,538.26 - Step 6: Final answer
x = 557,541.88
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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.