Finding the Fourth Proportional to 603,463.81, 832,794.74 and 331,549.31
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Solution
The fourth proportional to 603,463.81, 832,794.74 and 331,549.31 is: 457,546.12
Step by Step Solution
- Step 1: Write the proportion equation
603,463.81 : 832,794.74 = 331,549.31 : x - Step 2: Convert to fraction form
603,463.81/832,794.74 = 331,549.31/x - Step 3: Cross multiply
603,463.81x = 832,794.74 × 331,549.31 - Step 4: Simplify right side
603,463.81x = 276,112,523,091.69 - Step 5: Solve for x
x = 276,112,523,091.69/603,463.81 - Step 6: Final answer
x = 457,546.12
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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.