Finding the Fourth Proportional to 726,308.68, 1,089,638.10 and 227,672.68
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Solution
The fourth proportional to 726,308.68, 1,089,638.10 and 227,672.68 is: 341,563.90
Step by Step Solution
- Step 1: Write the proportion equation
726,308.68 : 1,089,638.10 = 227,672.68 : x - Step 2: Convert to fraction form
726,308.68/1,089,638.10 = 227,672.68/x - Step 3: Cross multiply
726,308.68x = 1,089,638.10 × 227,672.68 - Step 4: Simplify right side
726,308.68x = 248,080,826,457.11 - Step 5: Solve for x
x = 248,080,826,457.11/726,308.68 - Step 6: Final answer
x = 341,563.90
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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.