Finding the Fourth Proportional to 662,725.20, 993,310.20 and 283,645.20
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Solution
The fourth proportional to 662,725.20, 993,310.20 and 283,645.20 is: 425,134.99
Step by Step Solution
- Step 1: Write the proportion equation
662,725.20 : 993,310.20 = 283,645.20 : x - Step 2: Convert to fraction form
662,725.20/993,310.20 = 283,645.20/x - Step 3: Cross multiply
662,725.20x = 993,310.20 × 283,645.20 - Step 4: Simplify right side
662,725.20x = 281,747,670,341.04 - Step 5: Solve for x
x = 281,747,670,341.04/662,725.20 - Step 6: Final answer
x = 425,134.99
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1.5x scale
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.