Finding the Fourth Proportional to 512,450.19, 707,128.92 and 297,635.76
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Solution
The fourth proportional to 512,450.19, 707,128.92 and 297,635.76 is: 410,706.95
Step by Step Solution
- Step 1: Write the proportion equation
512,450.19 : 707,128.92 = 297,635.76 : x - Step 2: Convert to fraction form
512,450.19/707,128.92 = 297,635.76/x - Step 3: Cross multiply
512,450.19x = 707,128.92 × 297,635.76 - Step 4: Simplify right side
512,450.19x = 210,466,853,522.18 - Step 5: Solve for x
x = 210,466,853,522.18/512,450.19 - Step 6: Final answer
x = 410,706.95
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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.