Finding the Fourth Proportional to 738,082.80, 1,107,124.20 and 675,097.20
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Solution
The fourth proportional to 738,082.80, 1,107,124.20 and 675,097.20 is: 1,012,645.80
Step by Step Solution
- Step 1: Write the proportion equation
738,082.80 : 1,107,124.20 = 675,097.20 : x - Step 2: Convert to fraction form
738,082.80/1,107,124.20 = 675,097.20/x - Step 3: Cross multiply
738,082.80x = 1,107,124.20 × 675,097.20 - Step 4: Simplify right side
738,082.80x = 747,416,447,472.24 - Step 5: Solve for x
x = 747,416,447,472.24/738,082.80 - Step 6: Final answer
x = 1,012,645.80
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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.