Finding the Fourth Proportional to 701,020.69, 967,408.85 and 378,730.19
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Solution
The fourth proportional to 701,020.69, 967,408.85 and 378,730.19 is: 522,647.82
Step by Step Solution
- Step 1: Write the proportion equation
701,020.69 : 967,408.85 = 378,730.19 : x - Step 2: Convert to fraction form
701,020.69/967,408.85 = 378,730.19/x - Step 3: Cross multiply
701,020.69x = 967,408.85 × 378,730.19 - Step 4: Simplify right side
701,020.69x = 366,386,937,568.18 - Step 5: Solve for x
x = 366,386,937,568.18/701,020.69 - Step 6: Final answer
x = 522,647.82
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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.