Finding the Fourth Proportional to 685,095.83, 1,027,742.21 and 211,818.09
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Solution
The fourth proportional to 685,095.83, 1,027,742.21 and 211,818.09 is: 317,757.58
Step by Step Solution
- Step 1: Write the proportion equation
685,095.83 : 1,027,742.21 = 211,818.09 : x - Step 2: Convert to fraction form
685,095.83/1,027,742.21 = 211,818.09/x - Step 3: Cross multiply
685,095.83x = 1,027,742.21 × 211,818.09 - Step 4: Simplify right side
685,095.83x = 217,694,395,523.84 - Step 5: Solve for x
x = 217,694,395,523.84/685,095.83 - Step 6: Final answer
x = 317,757.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.