Finding the Fourth Proportional to 463,143.80, 694,715.70 and 313,455.80
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Solution
The fourth proportional to 463,143.80, 694,715.70 and 313,455.80 is: 470,183.70
Step by Step Solution
- Step 1: Write the proportion equation
463,143.80 : 694,715.70 = 313,455.80 : x - Step 2: Convert to fraction form
463,143.80/694,715.70 = 313,455.80/x - Step 3: Cross multiply
463,143.80x = 694,715.70 × 313,455.80 - Step 4: Simplify right side
463,143.80x = 217,762,665,516.06 - Step 5: Solve for x
x = 217,762,665,516.06/463,143.80 - Step 6: Final answer
x = 470,183.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.