Finding the Fourth Proportional to 603,623.79, 832,950.96 and 331,677.63
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Solution
The fourth proportional to 603,623.79, 832,950.96 and 331,677.63 is: 457,687.73
Step by Step Solution
- Step 1: Write the proportion equation
603,623.79 : 832,950.96 = 331,677.63 : x - Step 2: Convert to fraction form
603,623.79/832,950.96 = 331,677.63/x - Step 3: Cross multiply
603,623.79x = 832,950.96 × 331,677.63 - Step 4: Simplify right side
603,623.79x = 276,271,200,319.03 - Step 5: Solve for x
x = 276,271,200,319.03/603,623.79 - Step 6: Final answer
x = 457,687.73
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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.