Finding the Fourth Proportional to 669,660.73, 924,188.96 and 379,324.11
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Solution
The fourth proportional to 669,660.73, 924,188.96 and 379,324.11 is: 523,499.65
Step by Step Solution
- Step 1: Write the proportion equation
669,660.73 : 924,188.96 = 379,324.11 : x - Step 2: Convert to fraction form
669,660.73/924,188.96 = 379,324.11/x - Step 3: Cross multiply
669,660.73x = 924,188.96 × 379,324.11 - Step 4: Simplify right side
669,660.73x = 350,567,154,723.83 - Step 5: Solve for x
x = 350,567,154,723.83/669,660.73 - Step 6: Final answer
x = 523,499.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.