Finding the Fourth Proportional to 995,809.84, 1,493,715.66 and 426,821.70
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Solution
The fourth proportional to 995,809.84, 1,493,715.66 and 426,821.70 is: 640,232.94
Step by Step Solution
- Step 1: Write the proportion equation
995,809.84 : 1,493,715.66 = 426,821.70 : x - Step 2: Convert to fraction form
995,809.84/1,493,715.66 = 426,821.70/x - Step 3: Cross multiply
995,809.84x = 1,493,715.66 × 426,821.70 - Step 4: Simplify right side
995,809.84x = 637,550,257,317.82 - Step 5: Solve for x
x = 637,550,257,317.82/995,809.84 - Step 6: Final answer
x = 640,232.94
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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.