Finding the Fourth Proportional to 653,770.62, 982,132.22 and 387,705.67
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Solution
The fourth proportional to 653,770.62, 982,132.22 and 387,705.67 is: 582,433.99
Step by Step Solution
- Step 1: Write the proportion equation
653,770.62 : 982,132.22 = 387,705.67 : x - Step 2: Convert to fraction form
653,770.62/982,132.22 = 387,705.67/x - Step 3: Cross multiply
653,770.62x = 982,132.22 × 387,705.67 - Step 4: Simplify right side
653,770.62x = 380,778,228,897.62 - Step 5: Solve for x
x = 380,778,228,897.62/653,770.62 - Step 6: Final answer
x = 582,433.99
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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.