Finding the Fourth Proportional to 513,996.82, 709,389.84 and 296,163.79
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Solution
The fourth proportional to 513,996.82, 709,389.84 and 296,163.79 is: 408,748.80
Step by Step Solution
- Step 1: Write the proportion equation
513,996.82 : 709,389.84 = 296,163.79 : x - Step 2: Convert to fraction form
513,996.82/709,389.84 = 296,163.79/x - Step 3: Cross multiply
513,996.82x = 709,389.84 × 296,163.79 - Step 4: Simplify right side
513,996.82x = 210,095,583,601.89 - Step 5: Solve for x
x = 210,095,583,601.89/513,996.82 - Step 6: Final answer
x = 408,748.80
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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.