Finding the Fourth Proportional to 858,562.75, 1,184,763.48 and 471,375.98
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Solution
The fourth proportional to 858,562.75, 1,184,763.48 and 471,375.98 is: 650,469.70
Step by Step Solution
- Step 1: Write the proportion equation
858,562.75 : 1,184,763.48 = 471,375.98 : x - Step 2: Convert to fraction form
858,562.75/1,184,763.48 = 471,375.98/x - Step 3: Cross multiply
858,562.75x = 1,184,763.48 × 471,375.98 - Step 4: Simplify right side
858,562.75x = 558,469,049,415.12 - Step 5: Solve for x
x = 558,469,049,415.12/858,562.75 - Step 6: Final answer
x = 650,469.70
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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.