Finding the Fourth Proportional to 499,480.76, 689,049.68 and 327,352.92
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Solution
The fourth proportional to 499,480.76, 689,049.68 and 327,352.92 is: 451,593.82
Step by Step Solution
- Step 1: Write the proportion equation
499,480.76 : 689,049.68 = 327,352.92 : x - Step 2: Convert to fraction form
499,480.76/689,049.68 = 327,352.92/x - Step 3: Cross multiply
499,480.76x = 689,049.68 × 327,352.92 - Step 4: Simplify right side
499,480.76x = 225,562,423,136.30 - Step 5: Solve for x
x = 225,562,423,136.30/499,480.76 - Step 6: Final answer
x = 451,593.82
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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.