Finding the Fourth Proportional to 503,310.81, 694,580.54 and 285,534.08
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Solution
The fourth proportional to 503,310.81, 694,580.54 and 285,534.08 is: 394,043.62
Step by Step Solution
- Step 1: Write the proportion equation
503,310.81 : 694,580.54 = 285,534.08 : x - Step 2: Convert to fraction form
503,310.81/694,580.54 = 285,534.08/x - Step 3: Cross multiply
503,310.81x = 694,580.54 × 285,534.08 - Step 4: Simplify right side
503,310.81x = 198,326,413,178.91 - Step 5: Solve for x
x = 198,326,413,178.91/503,310.81 - Step 6: Final answer
x = 394,043.62
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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.