Finding the Fourth Proportional to 434,502.40, 651,753.60 and 416,787.70
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Solution
The fourth proportional to 434,502.40, 651,753.60 and 416,787.70 is: 625,181.55
Step by Step Solution
- Step 1: Write the proportion equation
434,502.40 : 651,753.60 = 416,787.70 : x - Step 2: Convert to fraction form
434,502.40/651,753.60 = 416,787.70/x - Step 3: Cross multiply
434,502.40x = 651,753.60 × 416,787.70 - Step 4: Simplify right side
434,502.40x = 271,642,883,910.72 - Step 5: Solve for x
x = 271,642,883,910.72/434,502.40 - Step 6: Final answer
x = 625,181.55
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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.