Finding the Fourth Proportional to 901,478.70, 1,350,252.99 and 451,414.62
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Solution
The fourth proportional to 901,478.70, 1,350,252.99 and 451,414.62 is: 676,137.93
Step by Step Solution
- Step 1: Write the proportion equation
901,478.70 : 1,350,252.99 = 451,414.62 : x - Step 2: Convert to fraction form
901,478.70/1,350,252.99 = 451,414.62/x - Step 3: Cross multiply
901,478.70x = 1,350,252.99 × 451,414.62 - Step 4: Simplify right side
901,478.70x = 609,523,940,384.71 - Step 5: Solve for x
x = 609,523,940,384.71/901,478.70 - Step 6: Final answer
x = 676,137.93
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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.