Finding the Fourth Proportional to 758,817.25, 1,138,681.49 and 303,327.11
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Solution
The fourth proportional to 758,817.25, 1,138,681.49 and 303,327.11 is: 455,172.79
Step by Step Solution
- Step 1: Write the proportion equation
758,817.25 : 1,138,681.49 = 303,327.11 : x - Step 2: Convert to fraction form
758,817.25/1,138,681.49 = 303,327.11/x - Step 3: Cross multiply
758,817.25x = 1,138,681.49 × 303,327.11 - Step 4: Simplify right side
758,817.25x = 345,392,966,902.26 - Step 5: Solve for x
x = 345,392,966,902.26/758,817.25 - Step 6: Final answer
x = 455,172.79
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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.