Finding the Fourth Proportional to 693,519.10, 957,037.28 and 387,596.68
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Solution
The fourth proportional to 693,519.10, 957,037.28 and 387,596.68 is: 534,872.75
Step by Step Solution
- Step 1: Write the proportion equation
693,519.10 : 957,037.28 = 387,596.68 : x - Step 2: Convert to fraction form
693,519.10/957,037.28 = 387,596.68/x - Step 3: Cross multiply
693,519.10x = 957,037.28 × 387,596.68 - Step 4: Simplify right side
693,519.10x = 370,944,468,033.65 - Step 5: Solve for x
x = 370,944,468,033.65/693,519.10 - Step 6: Final answer
x = 534,872.75
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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.