Finding the Fourth Proportional to 858,313.24, 1,287,647.33 and 281,980.19
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Solution
The fourth proportional to 858,313.24, 1,287,647.33 and 281,980.19 is: 423,028.59
Step by Step Solution
- Step 1: Write the proportion equation
858,313.24 : 1,287,647.33 = 281,980.19 : x - Step 2: Convert to fraction form
858,313.24/1,287,647.33 = 281,980.19/x - Step 3: Cross multiply
858,313.24x = 1,287,647.33 × 281,980.19 - Step 4: Simplify right side
858,313.24x = 363,091,040,575.61 - Step 5: Solve for x
x = 363,091,040,575.61/858,313.24 - Step 6: Final answer
x = 423,028.59
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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.