Finding the Fourth Proportional to 890,883.18, 1,336,324.70 and 410,968.98
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Solution
The fourth proportional to 890,883.18, 1,336,324.70 and 410,968.98 is: 616,453.44
Step by Step Solution
- Step 1: Write the proportion equation
890,883.18 : 1,336,324.70 = 410,968.98 : x - Step 2: Convert to fraction form
890,883.18/1,336,324.70 = 410,968.98/x - Step 3: Cross multiply
890,883.18x = 1,336,324.70 × 410,968.98 - Step 4: Simplify right side
890,883.18x = 549,188,003,276.04 - Step 5: Solve for x
x = 549,188,003,276.04/890,883.18 - Step 6: Final answer
x = 616,453.44
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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.