Finding the Fourth Proportional to 463,711.38, 694,661.49 and 319,591.41
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Solution
The fourth proportional to 463,711.38, 694,661.49 and 319,591.41 is: 478,762.99
Step by Step Solution
- Step 1: Write the proportion equation
463,711.38 : 694,661.49 = 319,591.41 : x - Step 2: Convert to fraction form
463,711.38/694,661.49 = 319,591.41/x - Step 3: Cross multiply
463,711.38x = 694,661.49 × 319,591.41 - Step 4: Simplify right side
463,711.38x = 222,007,845,061.80 - Step 5: Solve for x
x = 222,007,845,061.80/463,711.38 - Step 6: Final answer
x = 478,762.99
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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.