Finding the Fourth Proportional to 727,859.88, 1,092,403.26 and 307,437.48
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Solution
The fourth proportional to 727,859.88, 1,092,403.26 and 307,437.48 is: 461,415.33
Step by Step Solution
- Step 1: Write the proportion equation
727,859.88 : 1,092,403.26 = 307,437.48 : x - Step 2: Convert to fraction form
727,859.88/1,092,403.26 = 307,437.48/x - Step 3: Cross multiply
727,859.88x = 1,092,403.26 × 307,437.48 - Step 4: Simplify right side
727,859.88x = 335,845,705,398.19 - Step 5: Solve for x
x = 335,845,705,398.19/727,859.88 - Step 6: Final answer
x = 461,415.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.