Finding the Fourth Proportional to 418,687.80, 577,919.26 and 332,799.18
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Solution
The fourth proportional to 418,687.80, 577,919.26 and 332,799.18 is: 459,366.28
Step by Step Solution
- Step 1: Write the proportion equation
418,687.80 : 577,919.26 = 332,799.18 : x - Step 2: Convert to fraction form
418,687.80/577,919.26 = 332,799.18/x - Step 3: Cross multiply
418,687.80x = 577,919.26 × 332,799.18 - Step 4: Simplify right side
418,687.80x = 192,331,055,834.21 - Step 5: Solve for x
x = 192,331,055,834.21/418,687.80 - Step 6: Final answer
x = 459,366.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.