Finding the Fourth Proportional to 719,722.44, 1,079,735.90 and 270,447.21
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Solution
The fourth proportional to 719,722.44, 1,079,735.90 and 270,447.21 is: 405,728.02
Step by Step Solution
- Step 1: Write the proportion equation
719,722.44 : 1,079,735.90 = 270,447.21 : x - Step 2: Convert to fraction form
719,722.44/1,079,735.90 = 270,447.21/x - Step 3: Cross multiply
719,722.44x = 1,079,735.90 × 270,447.21 - Step 4: Simplify right side
719,722.44x = 292,011,560,339.60 - Step 5: Solve for x
x = 292,011,560,339.60/719,722.44 - Step 6: Final answer
x = 405,728.02
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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.