Finding the Fourth Proportional to 499,672.35, 748,032.30 and 331,382.70
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Solution
The fourth proportional to 499,672.35, 748,032.30 and 331,382.70 is: 496,095.02
Step by Step Solution
- Step 1: Write the proportion equation
499,672.35 : 748,032.30 = 331,382.70 : x - Step 2: Convert to fraction form
499,672.35/748,032.30 = 331,382.70/x - Step 3: Cross multiply
499,672.35x = 748,032.30 × 331,382.70 - Step 4: Simplify right side
499,672.35x = 247,884,963,261.21 - Step 5: Solve for x
x = 247,884,963,261.21/499,672.35 - Step 6: Final answer
x = 496,095.02
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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.