Finding the Fourth Proportional to 880,246.20, 1,320,369.30 and 820,759.80
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Solution
The fourth proportional to 880,246.20, 1,320,369.30 and 820,759.80 is: 1,231,139.70
Step by Step Solution
- Step 1: Write the proportion equation
880,246.20 : 1,320,369.30 = 820,759.80 : x - Step 2: Convert to fraction form
880,246.20/1,320,369.30 = 820,759.80/x - Step 3: Cross multiply
880,246.20x = 1,320,369.30 × 820,759.80 - Step 4: Simplify right side
880,246.20x = 1,083,706,042,594.14 - Step 5: Solve for x
x = 1,083,706,042,594.14/880,246.20 - Step 6: Final answer
x = 1,231,139.70
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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.