Finding the Fourth Proportional to 999,691.69, 1,379,571.49 and 540,806.12
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Solution
The fourth proportional to 999,691.69, 1,379,571.49 and 540,806.12 is: 746,310.80
Step by Step Solution
- Step 1: Write the proportion equation
999,691.69 : 1,379,571.49 = 540,806.12 : x - Step 2: Convert to fraction form
999,691.69/1,379,571.49 = 540,806.12/x - Step 3: Cross multiply
999,691.69x = 1,379,571.49 × 540,806.12 - Step 4: Simplify right side
999,691.69x = 746,080,704,769.52 - Step 5: Solve for x
x = 746,080,704,769.52/999,691.69 - Step 6: Final answer
x = 746,310.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.