Finding the Fourth Proportional to 758,772.09, 1,137,821.18 and 403,711.29
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Solution
The fourth proportional to 758,772.09, 1,137,821.18 and 403,711.29 is: 605,387.65
Step by Step Solution
- Step 1: Write the proportion equation
758,772.09 : 1,137,821.18 = 403,711.29 : x - Step 2: Convert to fraction form
758,772.09/1,137,821.18 = 403,711.29/x - Step 3: Cross multiply
758,772.09x = 1,137,821.18 × 403,711.29 - Step 4: Simplify right side
758,772.09x = 459,351,254,348.57 - Step 5: Solve for x
x = 459,351,254,348.57/758,772.09 - Step 6: Final answer
x = 605,387.65
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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.