Finding the Fourth Proportional to 762,694.40, 1,144,755.12 and 403,132.12
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Solution
The fourth proportional to 762,694.40, 1,144,755.12 and 403,132.12 is: 605,075.32
Step by Step Solution
- Step 1: Write the proportion equation
762,694.40 : 1,144,755.12 = 403,132.12 : x - Step 2: Convert to fraction form
762,694.40/1,144,755.12 = 403,132.12/x - Step 3: Cross multiply
762,694.40x = 1,144,755.12 × 403,132.12 - Step 4: Simplify right side
762,694.40x = 461,487,558,406.45 - Step 5: Solve for x
x = 461,487,558,406.45/762,694.40 - Step 6: Final answer
x = 605,075.32
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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.