Finding the Fourth Proportional to 756,239.50, 1,043,632.79 and 416,729.62
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Solution
The fourth proportional to 756,239.50, 1,043,632.79 and 416,729.62 is: 575,099.15
Step by Step Solution
- Step 1: Write the proportion equation
756,239.50 : 1,043,632.79 = 416,729.62 : x - Step 2: Convert to fraction form
756,239.50/1,043,632.79 = 416,729.62/x - Step 3: Cross multiply
756,239.50x = 1,043,632.79 × 416,729.62 - Step 4: Simplify right side
756,239.50x = 434,912,695,996.24 - Step 5: Solve for x
x = 434,912,695,996.24/756,239.50 - Step 6: Final answer
x = 575,099.15
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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.