Finding the Fourth Proportional to 898,716.84, 1,347,928.56 and 299,682.96
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Solution
The fourth proportional to 898,716.84, 1,347,928.56 and 299,682.96 is: 449,475.52
Step by Step Solution
- Step 1: Write the proportion equation
898,716.84 : 1,347,928.56 = 299,682.96 : x - Step 2: Convert to fraction form
898,716.84/1,347,928.56 = 299,682.96/x - Step 3: Cross multiply
898,716.84x = 1,347,928.56 × 299,682.96 - Step 4: Simplify right side
898,716.84x = 403,951,220,729.34 - Step 5: Solve for x
x = 403,951,220,729.34/898,716.84 - Step 6: Final answer
x = 449,475.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.