Finding the Fourth Proportional to 804,535.76, 1,207,312.74 and 449,782.50
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Solution
The fourth proportional to 804,535.76, 1,207,312.74 and 449,782.50 is: 674,958.37
Step by Step Solution
- Step 1: Write the proportion equation
804,535.76 : 1,207,312.74 = 449,782.50 : x - Step 2: Convert to fraction form
804,535.76/1,207,312.74 = 449,782.50/x - Step 3: Cross multiply
804,535.76x = 1,207,312.74 × 449,782.50 - Step 4: Simplify right side
804,535.76x = 543,028,142,479.05 - Step 5: Solve for x
x = 543,028,142,479.05/804,535.76 - Step 6: Final answer
x = 674,958.37
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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.