Finding the Fourth Proportional to 992,099.92, 1,487,276.68 and 393,481.36
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Solution
The fourth proportional to 992,099.92, 1,487,276.68 and 393,481.36 is: 589,875.72
Step by Step Solution
- Step 1: Write the proportion equation
992,099.92 : 1,487,276.68 = 393,481.36 : x - Step 2: Convert to fraction form
992,099.92/1,487,276.68 = 393,481.36/x - Step 3: Cross multiply
992,099.92x = 1,487,276.68 × 393,481.36 - Step 4: Simplify right side
992,099.92x = 585,215,650,742.69 - Step 5: Solve for x
x = 585,215,650,742.69/992,099.92 - Step 6: Final answer
x = 589,875.72
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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.