Finding the Fourth Proportional to 701,023.74, 967,411.56 and 378,732.84
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Solution
The fourth proportional to 701,023.74, 967,411.56 and 378,732.84 is: 522,650.67
Step by Step Solution
- Step 1: Write the proportion equation
701,023.74 : 967,411.56 = 378,732.84 : x - Step 2: Convert to fraction form
701,023.74/967,411.56 = 378,732.84/x - Step 3: Cross multiply
701,023.74x = 967,411.56 × 378,732.84 - Step 4: Simplify right side
701,023.74x = 366,390,527,567.63 - Step 5: Solve for x
x = 366,390,527,567.63/701,023.74 - Step 6: Final answer
x = 522,650.67
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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.