Finding the Fourth Proportional to 658,910.33, 987,236.07 and 442,363.49
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Solution
The fourth proportional to 658,910.33, 987,236.07 and 442,363.49 is: 662,786.99
Step by Step Solution
- Step 1: Write the proportion equation
658,910.33 : 987,236.07 = 442,363.49 : x - Step 2: Convert to fraction form
658,910.33/987,236.07 = 442,363.49/x - Step 3: Cross multiply
658,910.33x = 987,236.07 × 442,363.49 - Step 4: Simplify right side
658,910.33x = 436,717,188,442.90 - Step 5: Solve for x
x = 436,717,188,442.90/658,910.33 - Step 6: Final answer
x = 662,786.99
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1.5x scale
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.