Finding the Fourth Proportional to 499,232.70, 748,849.05 and 440,183.70
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Solution
The fourth proportional to 499,232.70, 748,849.05 and 440,183.70 is: 660,275.55
Step by Step Solution
- Step 1: Write the proportion equation
499,232.70 : 748,849.05 = 440,183.70 : x - Step 2: Convert to fraction form
499,232.70/748,849.05 = 440,183.70/x - Step 3: Cross multiply
499,232.70x = 748,849.05 × 440,183.70 - Step 4: Simplify right side
499,232.70x = 329,631,145,570.49 - Step 5: Solve for x
x = 329,631,145,570.49/499,232.70 - Step 6: Final answer
x = 660,275.55
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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.