Finding the Fourth Proportional to 827,114.70, 1,240,672.05 and 617,162.70
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Solution
The fourth proportional to 827,114.70, 1,240,672.05 and 617,162.70 is: 925,744.05
Step by Step Solution
- Step 1: Write the proportion equation
827,114.70 : 1,240,672.05 = 617,162.70 : x - Step 2: Convert to fraction form
827,114.70/1,240,672.05 = 617,162.70/x - Step 3: Cross multiply
827,114.70x = 1,240,672.05 × 617,162.70 - Step 4: Simplify right side
827,114.70x = 765,696,512,192.54 - Step 5: Solve for x
x = 765,696,512,192.54/827,114.70 - Step 6: Final answer
x = 925,744.05
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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.