Finding the Fourth Proportional to 791,000.14, 1,186,257.68 and 285,499.38
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Solution
The fourth proportional to 791,000.14, 1,186,257.68 and 285,499.38 is: 428,161.53
Step by Step Solution
- Step 1: Write the proportion equation
791,000.14 : 1,186,257.68 = 285,499.38 : x - Step 2: Convert to fraction form
791,000.14/1,186,257.68 = 285,499.38/x - Step 3: Cross multiply
791,000.14x = 1,186,257.68 × 285,499.38 - Step 4: Simplify right side
791,000.14x = 338,675,832,160.24 - Step 5: Solve for x
x = 338,675,832,160.24/791,000.14 - Step 6: Final answer
x = 428,161.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.