Finding the Fourth Proportional to 419,704.63, 578,780.92 and 266,476.81
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Solution
The fourth proportional to 419,704.63, 578,780.92 and 266,476.81 is: 367,476.75
Step by Step Solution
- Step 1: Write the proportion equation
419,704.63 : 578,780.92 = 266,476.81 : x - Step 2: Convert to fraction form
419,704.63/578,780.92 = 266,476.81/x - Step 3: Cross multiply
419,704.63x = 578,780.92 × 266,476.81 - Step 4: Simplify right side
419,704.63x = 154,231,693,250.47 - Step 5: Solve for x
x = 154,231,693,250.47/419,704.63 - Step 6: Final answer
x = 367,476.75
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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.