Finding the Fourth Proportional to 858,119.32, 1,287,387.08 and 259,044.68
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Solution
The fourth proportional to 858,119.32, 1,287,387.08 and 259,044.68 is: 388,629.84
Step by Step Solution
- Step 1: Write the proportion equation
858,119.32 : 1,287,387.08 = 259,044.68 : x - Step 2: Convert to fraction form
858,119.32/1,287,387.08 = 259,044.68/x - Step 3: Cross multiply
858,119.32x = 1,287,387.08 × 259,044.68 - Step 4: Simplify right side
858,119.32x = 333,490,774,174.73 - Step 5: Solve for x
x = 333,490,774,174.73/858,119.32 - Step 6: Final answer
x = 388,629.84
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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.