Finding the Fourth Proportional to 682,402.84, 941,411.41 and 395,756.80
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Solution
The fourth proportional to 682,402.84, 941,411.41 and 395,756.80 is: 545,967.79
Step by Step Solution
- Step 1: Write the proportion equation
682,402.84 : 941,411.41 = 395,756.80 : x - Step 2: Convert to fraction form
682,402.84/941,411.41 = 395,756.80/x - Step 3: Cross multiply
682,402.84x = 941,411.41 × 395,756.80 - Step 4: Simplify right side
682,402.84x = 372,569,967,105.09 - Step 5: Solve for x
x = 372,569,967,105.09/682,402.84 - Step 6: Final answer
x = 545,967.79
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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.