Finding the Fourth Proportional to 912,396.83, 1,259,056.84 and 504,474.19
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Solution
The fourth proportional to 912,396.83, 1,259,056.84 and 504,474.19 is: 696,146.31
Step by Step Solution
- Step 1: Write the proportion equation
912,396.83 : 1,259,056.84 = 504,474.19 : x - Step 2: Convert to fraction form
912,396.83/1,259,056.84 = 504,474.19/x - Step 3: Cross multiply
912,396.83x = 1,259,056.84 × 504,474.19 - Step 4: Simplify right side
912,396.83x = 635,161,681,723.38 - Step 5: Solve for x
x = 635,161,681,723.38/912,396.83 - Step 6: Final answer
x = 696,146.31
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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.