Finding the Fourth Proportional to 788,838.13, 1,088,596.47 and 426,261.97
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Solution
The fourth proportional to 788,838.13, 1,088,596.47 and 426,261.97 is: 588,241.44
Step by Step Solution
- Step 1: Write the proportion equation
788,838.13 : 1,088,596.47 = 426,261.97 : x - Step 2: Convert to fraction form
788,838.13/1,088,596.47 = 426,261.97/x - Step 3: Cross multiply
788,838.13x = 1,088,596.47 × 426,261.97 - Step 4: Simplify right side
788,838.13x = 464,027,275,837.25 - Step 5: Solve for x
x = 464,027,275,837.25/788,838.13 - Step 6: Final answer
x = 588,241.44
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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.