Finding the Fourth Proportional to 760,120.11, 1,048,965.84 and 415,956.10
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Solution
The fourth proportional to 760,120.11, 1,048,965.84 and 415,956.10 is: 574,019.47
Step by Step Solution
- Step 1: Write the proportion equation
760,120.11 : 1,048,965.84 = 415,956.10 : x - Step 2: Convert to fraction form
760,120.11/1,048,965.84 = 415,956.10/x - Step 3: Cross multiply
760,120.11x = 1,048,965.84 × 415,956.10 - Step 4: Simplify right side
760,120.11x = 436,323,739,839.62 - Step 5: Solve for x
x = 436,323,739,839.62/760,120.11 - Step 6: Final answer
x = 574,019.47
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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.