Finding the Fourth Proportional to 903,511.44, 1,354,772.34 and 416,665.26
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Solution
The fourth proportional to 903,511.44, 1,354,772.34 and 416,665.26 is: 624,769.70
Step by Step Solution
- Step 1: Write the proportion equation
903,511.44 : 1,354,772.34 = 416,665.26 : x - Step 2: Convert to fraction form
903,511.44/1,354,772.34 = 416,665.26/x - Step 3: Cross multiply
903,511.44x = 1,354,772.34 × 416,665.26 - Step 4: Simplify right side
903,511.44x = 564,486,569,286.91 - Step 5: Solve for x
x = 564,486,569,286.91/903,511.44 - Step 6: Final answer
x = 624,769.70
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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.