Finding the Fourth Proportional to 527,706.40, 727,836.36 and 331,529.92
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Solution
The fourth proportional to 527,706.40, 727,836.36 and 331,529.92 is: 457,260.95
Step by Step Solution
- Step 1: Write the proportion equation
527,706.40 : 727,836.36 = 331,529.92 : x - Step 2: Convert to fraction form
527,706.40/727,836.36 = 331,529.92/x - Step 3: Cross multiply
527,706.40x = 727,836.36 × 331,529.92 - Step 4: Simplify right side
527,706.40x = 241,299,530,203.89 - Step 5: Solve for x
x = 241,299,530,203.89/527,706.40 - Step 6: Final answer
x = 457,260.95
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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.