Finding the Fourth Proportional to 682,405.08, 1,023,570.69 and 209,091.81
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Solution
The fourth proportional to 682,405.08, 1,023,570.69 and 209,091.81 is: 313,626.40
Step by Step Solution
- Step 1: Write the proportion equation
682,405.08 : 1,023,570.69 = 209,091.81 : x - Step 2: Convert to fraction form
682,405.08/1,023,570.69 = 209,091.81/x - Step 3: Cross multiply
682,405.08x = 1,023,570.69 × 209,091.81 - Step 4: Simplify right side
682,405.08x = 214,020,248,235.05 - Step 5: Solve for x
x = 214,020,248,235.05/682,405.08 - Step 6: Final answer
x = 313,626.40
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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.