Finding the Fourth Proportional to 536,450.40, 803,509.20 and 325,720.80
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Solution
The fourth proportional to 536,450.40, 803,509.20 and 325,720.80 is: 487,872.99
Step by Step Solution
- Step 1: Write the proportion equation
536,450.40 : 803,509.20 = 325,720.80 : x - Step 2: Convert to fraction form
536,450.40/803,509.20 = 325,720.80/x - Step 3: Cross multiply
536,450.40x = 803,509.20 × 325,720.80 - Step 4: Simplify right side
536,450.40x = 261,719,659,431.36 - Step 5: Solve for x
x = 261,719,659,431.36/536,450.40 - Step 6: Final answer
x = 487,872.99
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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.