Finding the Fourth Proportional to 876,024.20, 1,311,578.70 and 851,448.20
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Solution
The fourth proportional to 876,024.20, 1,311,578.70 and 851,448.20 is: 1,274,783.65
Step by Step Solution
- Step 1: Write the proportion equation
876,024.20 : 1,311,578.70 = 851,448.20 : x - Step 2: Convert to fraction form
876,024.20/1,311,578.70 = 851,448.20/x - Step 3: Cross multiply
876,024.20x = 1,311,578.70 × 851,448.20 - Step 4: Simplify right side
876,024.20x = 1,116,741,323,273.34 - Step 5: Solve for x
x = 1,116,741,323,273.34/876,024.20 - Step 6: Final answer
x = 1,274,783.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.