Finding the Fourth Proportional to 873,824.85, 1,310,783.97 and 274,832.70
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Solution
The fourth proportional to 873,824.85, 1,310,783.97 and 274,832.70 is: 412,263.74
Step by Step Solution
- Step 1: Write the proportion equation
873,824.85 : 1,310,783.97 = 274,832.70 : x - Step 2: Convert to fraction form
873,824.85/1,310,783.97 = 274,832.70/x - Step 3: Cross multiply
873,824.85x = 1,310,783.97 × 274,832.70 - Step 4: Simplify right side
873,824.85x = 360,246,297,591.82 - Step 5: Solve for x
x = 360,246,297,591.82/873,824.85 - Step 6: Final answer
x = 412,263.74
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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.