Finding the Fourth Proportional to 816,737.76, 1,225,106.64 and 255,816
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Solution
The fourth proportional to 816,737.76, 1,225,106.64 and 255,816 is: 383,724
Step by Step Solution
- Step 1: Write the proportion equation
816,737.76 : 1,225,106.64 = 255,816 : x - Step 2: Convert to fraction form
816,737.76/1,225,106.64 = 255,816/x - Step 3: Cross multiply
816,737.76x = 1,225,106.64 × 255,816 - Step 4: Simplify right side
816,737.76x = 313,401,880,218.24 - Step 5: Solve for x
x = 313,401,880,218.24/816,737.76 - Step 6: Final answer
x = 383,724
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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.