Finding the Fourth Proportional to 563,092.32, 842,519.52 and 394,940.79
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Solution
The fourth proportional to 563,092.32, 842,519.52 and 394,940.79 is: 590,924.99
Step by Step Solution
- Step 1: Write the proportion equation
563,092.32 : 842,519.52 = 394,940.79 : x - Step 2: Convert to fraction form
563,092.32/842,519.52 = 394,940.79/x - Step 3: Cross multiply
563,092.32x = 842,519.52 × 394,940.79 - Step 4: Simplify right side
563,092.32x = 332,745,324,819.22 - Step 5: Solve for x
x = 332,745,324,819.22/563,092.32 - Step 6: Final answer
x = 590,924.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.