Finding the Fourth Proportional to 603,586.79, 832,949.58 and 331,672.20
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Solution
The fourth proportional to 603,586.79, 832,949.58 and 331,672.20 is: 457,707.53
Step by Step Solution
- Step 1: Write the proportion equation
603,586.79 : 832,949.58 = 331,672.20 : x - Step 2: Convert to fraction form
603,586.79/832,949.58 = 331,672.20/x - Step 3: Cross multiply
603,586.79x = 832,949.58 × 331,672.20 - Step 4: Simplify right side
603,586.79x = 276,266,216,369.23 - Step 5: Solve for x
x = 276,266,216,369.23/603,586.79 - Step 6: Final answer
x = 457,707.53
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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.