Finding the Fourth Proportional to 701,278.96, 967,765.24 and 378,988.96
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Solution
The fourth proportional to 701,278.96, 967,765.24 and 378,988.96 is: 523,004.91
Step by Step Solution
- Step 1: Write the proportion equation
701,278.96 : 967,765.24 = 378,988.96 : x - Step 2: Convert to fraction form
701,278.96/967,765.24 = 378,988.96/x - Step 3: Cross multiply
701,278.96x = 967,765.24 × 378,988.96 - Step 4: Simplify right side
701,278.96x = 366,772,341,831.75 - Step 5: Solve for x
x = 366,772,341,831.75/701,278.96 - Step 6: Final answer
x = 523,004.91
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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.