Finding the Fourth Proportional to 870,739.36, 1,306,062.96 and 271,631.84
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Solution
The fourth proportional to 870,739.36, 1,306,062.96 and 271,631.84 is: 407,433.39
Step by Step Solution
- Step 1: Write the proportion equation
870,739.36 : 1,306,062.96 = 271,631.84 : x - Step 2: Convert to fraction form
870,739.36/1,306,062.96 = 271,631.84/x - Step 3: Cross multiply
870,739.36x = 1,306,062.96 × 271,631.84 - Step 4: Simplify right side
870,739.36x = 354,768,284,980.65 - Step 5: Solve for x
x = 354,768,284,980.65/870,739.36 - Step 6: Final answer
x = 407,433.39
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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.