Finding the Fourth Proportional to 603,629.21, 832,990.91 and 341,960.13
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Solution
The fourth proportional to 603,629.21, 832,990.91 and 341,960.13 is: 471,895.12
Step by Step Solution
- Step 1: Write the proportion equation
603,629.21 : 832,990.91 = 341,960.13 : x - Step 2: Convert to fraction form
603,629.21/832,990.91 = 341,960.13/x - Step 3: Cross multiply
603,629.21x = 832,990.91 × 341,960.13 - Step 4: Simplify right side
603,629.21x = 284,849,678,162.62 - Step 5: Solve for x
x = 284,849,678,162.62/603,629.21 - Step 6: Final answer
x = 471,895.12
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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.