Finding the Fourth Proportional to 870,912.12, 1,306,374.66 and 239,860.56
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Solution
The fourth proportional to 870,912.12, 1,306,374.66 and 239,860.56 is: 359,792.62
Step by Step Solution
- Step 1: Write the proportion equation
870,912.12 : 1,306,374.66 = 239,860.56 : x - Step 2: Convert to fraction form
870,912.12/1,306,374.66 = 239,860.56/x - Step 3: Cross multiply
870,912.12x = 1,306,374.66 × 239,860.56 - Step 4: Simplify right side
870,912.12x = 313,347,757,517.41 - Step 5: Solve for x
x = 313,347,757,517.41/870,912.12 - Step 6: Final answer
x = 359,792.62
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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.