Finding the Fourth Proportional to 757,758.24, 1,045,704.12 and 418,224
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Solution
The fourth proportional to 757,758.24, 1,045,704.12 and 418,224 is: 577,147.88
Step by Step Solution
- Step 1: Write the proportion equation
757,758.24 : 1,045,704.12 = 418,224 : x - Step 2: Convert to fraction form
757,758.24/1,045,704.12 = 418,224/x - Step 3: Cross multiply
757,758.24x = 1,045,704.12 × 418,224 - Step 4: Simplify right side
757,758.24x = 437,338,559,882.88 - Step 5: Solve for x
x = 437,338,559,882.88/757,758.24 - Step 6: Final answer
x = 577,147.88
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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.