Finding the Fourth Proportional to 433,883.92, 651,285.96 and 384,286
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Solution
The fourth proportional to 433,883.92, 651,285.96 and 384,286 is: 576,836.49
Step by Step Solution
- Step 1: Write the proportion equation
433,883.92 : 651,285.96 = 384,286 : x - Step 2: Convert to fraction form
433,883.92/651,285.96 = 384,286/x - Step 3: Cross multiply
433,883.92x = 651,285.96 × 384,286 - Step 4: Simplify right side
433,883.92x = 250,280,076,424.56 - Step 5: Solve for x
x = 250,280,076,424.56/433,883.92 - Step 6: Final answer
x = 576,836.49
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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.