Finding the Fourth Proportional to 503,551.20, 694,743.84 and 285,723.84
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Solution
The fourth proportional to 503,551.20, 694,743.84 and 285,723.84 is: 394,209.92
Step by Step Solution
- Step 1: Write the proportion equation
503,551.20 : 694,743.84 = 285,723.84 : x - Step 2: Convert to fraction form
503,551.20/694,743.84 = 285,723.84/x - Step 3: Cross multiply
503,551.20x = 694,743.84 × 285,723.84 - Step 4: Simplify right side
503,551.20x = 198,504,877,781.15 - Step 5: Solve for x
x = 198,504,877,781.15/503,551.20 - Step 6: Final answer
x = 394,209.92
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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.