Finding the Fourth Proportional to 691,091.40, 1,036,637.10 and 682,234.05
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Solution
The fourth proportional to 691,091.40, 1,036,637.10 and 682,234.05 is: 1,023,351.08
Step by Step Solution
- Step 1: Write the proportion equation
691,091.40 : 1,036,637.10 = 682,234.05 : x - Step 2: Convert to fraction form
691,091.40/1,036,637.10 = 682,234.05/x - Step 3: Cross multiply
691,091.40x = 1,036,637.10 × 682,234.05 - Step 4: Simplify right side
691,091.40x = 707,229,127,113.26 - Step 5: Solve for x
x = 707,229,127,113.26/691,091.40 - Step 6: Final answer
x = 1,023,351.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.