Finding the Fourth Proportional to 755,923.62, 1,043,174.67 and 416,391.87
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Solution
The fourth proportional to 755,923.62, 1,043,174.67 and 416,391.87 is: 574,620.82
Step by Step Solution
- Step 1: Write the proportion equation
755,923.62 : 1,043,174.67 = 416,391.87 : x - Step 2: Convert to fraction form
755,923.62/1,043,174.67 = 416,391.87/x - Step 3: Cross multiply
755,923.62x = 1,043,174.67 × 416,391.87 - Step 4: Simplify right side
755,923.62x = 434,369,451,577.93 - Step 5: Solve for x
x = 434,369,451,577.93/755,923.62 - Step 6: Final answer
x = 574,620.82
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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.