Finding the Fourth Proportional to 492,717.80, 739,076.70 and 374,619.80
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Solution
The fourth proportional to 492,717.80, 739,076.70 and 374,619.80 is: 561,929.70
Step by Step Solution
- Step 1: Write the proportion equation
492,717.80 : 739,076.70 = 374,619.80 : x - Step 2: Convert to fraction form
492,717.80/739,076.70 = 374,619.80/x - Step 3: Cross multiply
492,717.80x = 739,076.70 × 374,619.80 - Step 4: Simplify right side
492,717.80x = 276,872,765,538.66 - Step 5: Solve for x
x = 276,872,765,538.66/492,717.80 - Step 6: Final answer
x = 561,929.70
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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.