Finding the Fourth Proportional to 499,603.75, 689,518.88 and 284,694.55
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Solution
The fourth proportional to 499,603.75, 689,518.88 and 284,694.55 is: 392,915.92
Step by Step Solution
- Step 1: Write the proportion equation
499,603.75 : 689,518.88 = 284,694.55 : x - Step 2: Convert to fraction form
499,603.75/689,518.88 = 284,694.55/x - Step 3: Cross multiply
499,603.75x = 689,518.88 × 284,694.55 - Step 4: Simplify right side
499,603.75x = 196,302,265,178.44 - Step 5: Solve for x
x = 196,302,265,178.44/499,603.75 - Step 6: Final answer
x = 392,915.92
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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.