Finding the Fourth Proportional to 513,958.14, 709,239.96 and 284,501.88
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Solution
The fourth proportional to 513,958.14, 709,239.96 and 284,501.88 is: 392,600.27
Step by Step Solution
- Step 1: Write the proportion equation
513,958.14 : 709,239.96 = 284,501.88 : x - Step 2: Convert to fraction form
513,958.14/709,239.96 = 284,501.88/x - Step 3: Cross multiply
513,958.14x = 709,239.96 × 284,501.88 - Step 4: Simplify right side
513,958.14x = 201,780,101,991.13 - Step 5: Solve for x
x = 201,780,101,991.13/513,958.14 - Step 6: Final answer
x = 392,600.27
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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.