Finding the Fourth Proportional to 749,769.14, 1,034,679.14 and 405,604.97
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Solution
The fourth proportional to 749,769.14, 1,034,679.14 and 405,604.97 is: 559,733.62
Step by Step Solution
- Step 1: Write the proportion equation
749,769.14 : 1,034,679.14 = 405,604.97 : x - Step 2: Convert to fraction form
749,769.14/1,034,679.14 = 405,604.97/x - Step 3: Cross multiply
749,769.14x = 1,034,679.14 × 405,604.97 - Step 4: Simplify right side
749,769.14x = 419,670,994,337.91 - Step 5: Solve for x
x = 419,670,994,337.91/749,769.14 - Step 6: Final answer
x = 559,733.62
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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.