Finding the Fourth Proportional to 720,856.44, 1,079,709.66 and 365,259.96
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Solution
The fourth proportional to 720,856.44, 1,079,709.66 and 365,259.96 is: 547,091.88
Step by Step Solution
- Step 1: Write the proportion equation
720,856.44 : 1,079,709.66 = 365,259.96 : x - Step 2: Convert to fraction form
720,856.44/1,079,709.66 = 365,259.96/x - Step 3: Cross multiply
720,856.44x = 1,079,709.66 × 365,259.96 - Step 4: Simplify right side
720,856.44x = 394,374,707,223.21 - Step 5: Solve for x
x = 394,374,707,223.21/720,856.44 - Step 6: Final answer
x = 547,091.88
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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.