Finding the Fourth Proportional to 499,674.35, 748,035.30 and 331,384.70
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Solution
The fourth proportional to 499,674.35, 748,035.30 and 331,384.70 is: 496,098.02
Step by Step Solution
- Step 1: Write the proportion equation
499,674.35 : 748,035.30 = 331,384.70 : x - Step 2: Convert to fraction form
499,674.35/748,035.30 = 331,384.70/x - Step 3: Cross multiply
499,674.35x = 748,035.30 × 331,384.70 - Step 4: Simplify right side
499,674.35x = 247,887,453,479.91 - Step 5: Solve for x
x = 247,887,453,479.91/499,674.35 - Step 6: Final answer
x = 496,098.02
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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.