Finding the Fourth Proportional to 418,686.30, 577,917.18 and 332,797.68
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Solution
The fourth proportional to 418,686.30, 577,917.18 and 332,797.68 is: 459,364.20
Step by Step Solution
- Step 1: Write the proportion equation
418,686.30 : 577,917.18 = 332,797.68 : x - Step 2: Convert to fraction form
418,686.30/577,917.18 = 332,797.68/x - Step 3: Cross multiply
418,686.30x = 577,917.18 × 332,797.68 - Step 4: Simplify right side
418,686.30x = 192,329,497,568.14 - Step 5: Solve for x
x = 192,329,497,568.14/418,686.30 - Step 6: Final answer
x = 459,364.20
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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.