Finding the Fourth Proportional to 858,563.75, 1,184,764.86 and 471,376.98
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Solution
The fourth proportional to 858,563.75, 1,184,764.86 and 471,376.98 is: 650,471.07
Step by Step Solution
- Step 1: Write the proportion equation
858,563.75 : 1,184,764.86 = 471,376.98 : x - Step 2: Convert to fraction form
858,563.75/1,184,764.86 = 471,376.98/x - Step 3: Cross multiply
858,563.75x = 1,184,764.86 × 471,376.98 - Step 4: Simplify right side
858,563.75x = 558,470,881,716.92 - Step 5: Solve for x
x = 558,470,881,716.92/858,563.75 - Step 6: Final answer
x = 650,471.07
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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.