Finding the Fourth Proportional to 702,294.71, 969,163.58 and 380,010.49
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Solution
The fourth proportional to 702,294.71, 969,163.58 and 380,010.49 is: 524,412.79
Step by Step Solution
- Step 1: Write the proportion equation
702,294.71 : 969,163.58 = 380,010.49 : x - Step 2: Convert to fraction form
702,294.71/969,163.58 = 380,010.49/x - Step 3: Cross multiply
702,294.71x = 969,163.58 × 380,010.49 - Step 4: Simplify right side
702,294.71x = 368,292,325,453.07 - Step 5: Solve for x
x = 368,292,325,453.07/702,294.71 - Step 6: Final answer
x = 524,412.79
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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.