Finding the Fourth Proportional to 463,768.33, 640,313.24 and 289,604.62
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Solution
The fourth proportional to 463,768.33, 640,313.24 and 289,604.62 is: 399,849.80
Step by Step Solution
- Step 1: Write the proportion equation
463,768.33 : 640,313.24 = 289,604.62 : x - Step 2: Convert to fraction form
463,768.33/640,313.24 = 289,604.62/x - Step 3: Cross multiply
463,768.33x = 640,313.24 × 289,604.62 - Step 4: Simplify right side
463,768.33x = 185,437,672,551.17 - Step 5: Solve for x
x = 185,437,672,551.17/463,768.33 - Step 6: Final answer
x = 399,849.80
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1.5x scale
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.