Finding the Fourth Proportional to 503,394.13, 694,699.65 and 285,611.98
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Solution
The fourth proportional to 503,394.13, 694,699.65 and 285,611.98 is: 394,153.47
Step by Step Solution
- Step 1: Write the proportion equation
503,394.13 : 694,699.65 = 285,611.98 : x - Step 2: Convert to fraction form
503,394.13/694,699.65 = 285,611.98/x - Step 3: Cross multiply
503,394.13x = 694,699.65 × 285,611.98 - Step 4: Simplify right side
503,394.13x = 198,414,541,532.34 - Step 5: Solve for x
x = 198,414,541,532.34/503,394.13 - Step 6: Final answer
x = 394,153.47
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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.