Finding the Fourth Proportional to 500,696.08, 690,988.26 and 285,905.14
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Solution
The fourth proportional to 500,696.08, 690,988.26 and 285,905.14 is: 394,564.89
Step by Step Solution
- Step 1: Write the proportion equation
500,696.08 : 690,988.26 = 285,905.14 : x - Step 2: Convert to fraction form
500,696.08/690,988.26 = 285,905.14/x - Step 3: Cross multiply
500,696.08x = 690,988.26 × 285,905.14 - Step 4: Simplify right side
500,696.08x = 197,557,095,213.66 - Step 5: Solve for x
x = 197,557,095,213.66/500,696.08 - Step 6: Final answer
x = 394,564.89
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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.