Finding the Fourth Proportional to 726,136.74, 1,089,020.12 and 514,888.96
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Solution
The fourth proportional to 726,136.74, 1,089,020.12 and 514,888.96 is: 772,202.27
Step by Step Solution
- Step 1: Write the proportion equation
726,136.74 : 1,089,020.12 = 514,888.96 : x - Step 2: Convert to fraction form
726,136.74/1,089,020.12 = 514,888.96/x - Step 3: Cross multiply
726,136.74x = 1,089,020.12 × 514,888.96 - Step 4: Simplify right side
726,136.74x = 560,724,437,005.88 - Step 5: Solve for x
x = 560,724,437,005.88/726,136.74 - Step 6: Final answer
x = 772,202.27
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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.