Finding the Fourth Proportional to 870,912.18, 1,306,368.39 and 271,924.65
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Solution
The fourth proportional to 870,912.18, 1,306,368.39 and 271,924.65 is: 407,887.01
Step by Step Solution
- Step 1: Write the proportion equation
870,912.18 : 1,306,368.39 = 271,924.65 : x - Step 2: Convert to fraction form
870,912.18/1,306,368.39 = 271,924.65/x - Step 3: Cross multiply
870,912.18x = 1,306,368.39 × 271,924.65 - Step 4: Simplify right side
870,912.18x = 355,233,767,221.81 - Step 5: Solve for x
x = 355,233,767,221.81/870,912.18 - Step 6: Final answer
x = 407,887.01
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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.