Finding the Fourth Proportional to 821,736.15, 1,133,931.33 and 454,197.84
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Solution
The fourth proportional to 821,736.15, 1,133,931.33 and 454,197.84 is: 626,757.34
Step by Step Solution
- Step 1: Write the proportion equation
821,736.15 : 1,133,931.33 = 454,197.84 : x - Step 2: Convert to fraction form
821,736.15/1,133,931.33 = 454,197.84/x - Step 3: Cross multiply
821,736.15x = 1,133,931.33 × 454,197.84 - Step 4: Simplify right side
821,736.15x = 515,029,160,794.33 - Step 5: Solve for x
x = 515,029,160,794.33/821,736.15 - Step 6: Final answer
x = 626,757.34
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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.