Finding the Fourth Proportional to 802,383.13, 1,107,402.26 and 496,557.98
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Solution
The fourth proportional to 802,383.13, 1,107,402.26 and 496,557.98 is: 685,320.28
Step by Step Solution
- Step 1: Write the proportion equation
802,383.13 : 1,107,402.26 = 496,557.98 : x - Step 2: Convert to fraction form
802,383.13/1,107,402.26 = 496,557.98/x - Step 3: Cross multiply
802,383.13x = 1,107,402.26 × 496,557.98 - Step 4: Simplify right side
802,383.13x = 549,889,431,474.42 - Step 5: Solve for x
x = 549,889,431,474.42/802,383.13 - Step 6: Final answer
x = 685,320.28
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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.