Finding the Fourth Proportional to 738,651.84, 1,107,583.92 and 383,308.08
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Solution
The fourth proportional to 738,651.84, 1,107,583.92 and 383,308.08 is: 574,757.74
Step by Step Solution
- Step 1: Write the proportion equation
738,651.84 : 1,107,583.92 = 383,308.08 : x - Step 2: Convert to fraction form
738,651.84/1,107,583.92 = 383,308.08/x - Step 3: Cross multiply
738,651.84x = 1,107,583.92 × 383,308.08 - Step 4: Simplify right side
738,651.84x = 424,545,865,814.07 - Step 5: Solve for x
x = 424,545,865,814.07/738,651.84 - Step 6: Final answer
x = 574,757.74
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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.