Finding the Fourth Proportional to 770,903.44, 1,063,644.96 and 444,136.48
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Solution
The fourth proportional to 770,903.44, 1,063,644.96 and 444,136.48 is: 612,792.09
Step by Step Solution
- Step 1: Write the proportion equation
770,903.44 : 1,063,644.96 = 444,136.48 : x - Step 2: Convert to fraction form
770,903.44/1,063,644.96 = 444,136.48/x - Step 3: Cross multiply
770,903.44x = 1,063,644.96 × 444,136.48 - Step 4: Simplify right side
770,903.44x = 472,403,528,504.14 - Step 5: Solve for x
x = 472,403,528,504.14/770,903.44 - Step 6: Final answer
x = 612,792.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.