Finding the Fourth Proportional to 850,821.36, 1,174,141.35 and 468,861.81
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Solution
The fourth proportional to 850,821.36, 1,174,141.35 and 468,861.81 is: 647,033.64
Step by Step Solution
- Step 1: Write the proportion equation
850,821.36 : 1,174,141.35 = 468,861.81 : x - Step 2: Convert to fraction form
850,821.36/1,174,141.35 = 468,861.81/x - Step 3: Cross multiply
850,821.36x = 1,174,141.35 × 468,861.81 - Step 4: Simplify right side
850,821.36x = 550,510,038,556.84 - Step 5: Solve for x
x = 550,510,038,556.84/850,821.36 - Step 6: Final answer
x = 647,033.64
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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.