Finding the Fourth Proportional to 658,419.99, 987,558.21 and 446,548.92
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Solution
The fourth proportional to 658,419.99, 987,558.21 and 446,548.92 is: 669,774.70
Step by Step Solution
- Step 1: Write the proportion equation
658,419.99 : 987,558.21 = 446,548.92 : x - Step 2: Convert to fraction form
658,419.99/987,558.21 = 446,548.92/x - Step 3: Cross multiply
658,419.99x = 987,558.21 × 446,548.92 - Step 4: Simplify right side
658,419.99x = 440,993,052,112.63 - Step 5: Solve for x
x = 440,993,052,112.63/658,419.99 - Step 6: Final answer
x = 669,774.70
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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.