Finding the Fourth Proportional to 394,956.24, 593,717.40 and 316,924.08
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Solution
The fourth proportional to 394,956.24, 593,717.40 and 316,924.08 is: 476,415.67
Step by Step Solution
- Step 1: Write the proportion equation
394,956.24 : 593,717.40 = 316,924.08 : x - Step 2: Convert to fraction form
394,956.24/593,717.40 = 316,924.08/x - Step 3: Cross multiply
394,956.24x = 593,717.40 × 316,924.08 - Step 4: Simplify right side
394,956.24x = 188,163,340,774.99 - Step 5: Solve for x
x = 188,163,340,774.99/394,956.24 - Step 6: Final answer
x = 476,415.67
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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.