Finding the Fourth Proportional to 674,550.60, 930,892.05 and 368,639.94
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Solution
The fourth proportional to 674,550.60, 930,892.05 and 368,639.94 is: 508,729.80
Step by Step Solution
- Step 1: Write the proportion equation
674,550.60 : 930,892.05 = 368,639.94 : x - Step 2: Convert to fraction form
674,550.60/930,892.05 = 368,639.94/x - Step 3: Cross multiply
674,550.60x = 930,892.05 × 368,639.94 - Step 4: Simplify right side
674,550.60x = 343,163,989,458.48 - Step 5: Solve for x
x = 343,163,989,458.48/674,550.60 - Step 6: Final answer
x = 508,729.80
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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.