Finding the Fourth Proportional to 499,394.46, 750,715.62 and 400,635.09
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Solution
The fourth proportional to 499,394.46, 750,715.62 and 400,635.09 is: 602,255.42
Step by Step Solution
- Step 1: Write the proportion equation
499,394.46 : 750,715.62 = 400,635.09 : x - Step 2: Convert to fraction form
499,394.46/750,715.62 = 400,635.09/x - Step 3: Cross multiply
499,394.46x = 750,715.62 × 400,635.09 - Step 4: Simplify right side
499,394.46x = 300,763,019,983.11 - Step 5: Solve for x
x = 300,763,019,983.11/499,394.46 - Step 6: Final answer
x = 602,255.42
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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.