Finding the Fourth Proportional to 669,546.14, 923,748.86 and 379,118.01
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Solution
The fourth proportional to 669,546.14, 923,748.86 and 379,118.01 is: 523,055.56
Step by Step Solution
- Step 1: Write the proportion equation
669,546.14 : 923,748.86 = 379,118.01 : x - Step 2: Convert to fraction form
669,546.14/923,748.86 = 379,118.01/x - Step 3: Cross multiply
669,546.14x = 923,748.86 × 379,118.01 - Step 4: Simplify right side
669,546.14x = 350,209,830,490.76 - Step 5: Solve for x
x = 350,209,830,490.76/669,546.14 - Step 6: Final answer
x = 523,055.56
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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.