Finding the Fourth Proportional to 858,140.80, 1,286,712.73 and 325,371.19
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Solution
The fourth proportional to 858,140.80, 1,286,712.73 and 325,371.19 is: 487,867.79
Step by Step Solution
- Step 1: Write the proportion equation
858,140.80 : 1,286,712.73 = 325,371.19 : x - Step 2: Convert to fraction form
858,140.80/1,286,712.73 = 325,371.19/x - Step 3: Cross multiply
858,140.80x = 1,286,712.73 × 325,371.19 - Step 4: Simplify right side
858,140.80x = 418,659,252,148.25 - Step 5: Solve for x
x = 418,659,252,148.25/858,140.80 - Step 6: Final answer
x = 487,867.79
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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.