Finding the Fourth Proportional to 727,542.02, 1,004,038.96 and 405,252.26
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Solution
The fourth proportional to 727,542.02, 1,004,038.96 and 405,252.26 is: 559,265.37
Step by Step Solution
- Step 1: Write the proportion equation
727,542.02 : 1,004,038.96 = 405,252.26 : x - Step 2: Convert to fraction form
727,542.02/1,004,038.96 = 405,252.26/x - Step 3: Cross multiply
727,542.02x = 1,004,038.96 × 405,252.26 - Step 4: Simplify right side
727,542.02x = 406,889,057,668.05 - Step 5: Solve for x
x = 406,889,057,668.05/727,542.02 - Step 6: Final answer
x = 559,265.37
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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.