Finding the Fourth Proportional to 827,138.20, 1,240,707.30 and 295,259.80
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Solution
The fourth proportional to 827,138.20, 1,240,707.30 and 295,259.80 is: 442,889.70
Step by Step Solution
- Step 1: Write the proportion equation
827,138.20 : 1,240,707.30 = 295,259.80 : x - Step 2: Convert to fraction form
827,138.20/1,240,707.30 = 295,259.80/x - Step 3: Cross multiply
827,138.20x = 1,240,707.30 × 295,259.80 - Step 4: Simplify right side
827,138.20x = 366,330,989,256.54 - Step 5: Solve for x
x = 366,330,989,256.54/827,138.20 - Step 6: Final answer
x = 442,889.70
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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.