Finding the Fourth Proportional to 818,537.07, 1,227,796.97 and 319,896.75
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Solution
The fourth proportional to 818,537.07, 1,227,796.97 and 319,896.75 is: 479,841.75
Step by Step Solution
- Step 1: Write the proportion equation
818,537.07 : 1,227,796.97 = 319,896.75 : x - Step 2: Convert to fraction form
818,537.07/1,227,796.97 = 319,896.75/x - Step 3: Cross multiply
818,537.07x = 1,227,796.97 × 319,896.75 - Step 4: Simplify right side
818,537.07x = 392,768,258,763.36 - Step 5: Solve for x
x = 392,768,258,763.36/818,537.07 - Step 6: Final answer
x = 479,841.75
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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.