Finding the Fourth Proportional to 603,528.20, 832,871.30 and 331,618.12
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Solution
The fourth proportional to 603,528.20, 832,871.30 and 331,618.12 is: 457,634.32
Step by Step Solution
- Step 1: Write the proportion equation
603,528.20 : 832,871.30 = 331,618.12 : x - Step 2: Convert to fraction form
603,528.20/832,871.30 = 331,618.12/x - Step 3: Cross multiply
603,528.20x = 832,871.30 × 331,618.12 - Step 4: Simplify right side
603,528.20x = 276,195,214,707.96 - Step 5: Solve for x
x = 276,195,214,707.96/603,528.20 - Step 6: Final answer
x = 457,634.32
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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.