Finding the Fourth Proportional to 484,534.40, 727,233.60 and 284,604.80
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Solution
The fourth proportional to 484,534.40, 727,233.60 and 284,604.80 is: 427,160.95
Step by Step Solution
- Step 1: Write the proportion equation
484,534.40 : 727,233.60 = 284,604.80 : x - Step 2: Convert to fraction form
484,534.40/727,233.60 = 284,604.80/x - Step 3: Cross multiply
484,534.40x = 727,233.60 × 284,604.80 - Step 4: Simplify right side
484,534.40x = 206,974,173,281.28 - Step 5: Solve for x
x = 206,974,173,281.28/484,534.40 - Step 6: Final answer
x = 427,160.95
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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.