Finding the Fourth Proportional to 649,414.87, 896,220.19 and 362,934.94
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Solution
The fourth proportional to 649,414.87, 896,220.19 and 362,934.94 is: 500,865.68
Step by Step Solution
- Step 1: Write the proportion equation
649,414.87 : 896,220.19 = 362,934.94 : x - Step 2: Convert to fraction form
649,414.87/896,220.19 = 362,934.94/x - Step 3: Cross multiply
649,414.87x = 896,220.19 × 362,934.94 - Step 4: Simplify right side
649,414.87x = 325,269,620,884.44 - Step 5: Solve for x
x = 325,269,620,884.44/649,414.87 - Step 6: Final answer
x = 500,865.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.