Finding the Fourth Proportional to 753,687.98, 1,129,896.33 and 326,902.35
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Solution
The fourth proportional to 753,687.98, 1,129,896.33 and 326,902.35 is: 490,077.83
Step by Step Solution
- Step 1: Write the proportion equation
753,687.98 : 1,129,896.33 = 326,902.35 : x - Step 2: Convert to fraction form
753,687.98/1,129,896.33 = 326,902.35/x - Step 3: Cross multiply
753,687.98x = 1,129,896.33 × 326,902.35 - Step 4: Simplify right side
753,687.98x = 369,365,765,533.38 - Step 5: Solve for x
x = 369,365,765,533.38/753,687.98 - Step 6: Final answer
x = 490,077.83
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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.