Finding the Fourth Proportional to 520,470.24, 718,239.60 and 294,110.88
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Solution
The fourth proportional to 520,470.24, 718,239.60 and 294,110.88 is: 405,867.74
Step by Step Solution
- Step 1: Write the proportion equation
520,470.24 : 718,239.60 = 294,110.88 : x - Step 2: Convert to fraction form
520,470.24/718,239.60 = 294,110.88/x - Step 3: Cross multiply
520,470.24x = 718,239.60 × 294,110.88 - Step 4: Simplify right side
520,470.24x = 211,242,080,806.85 - Step 5: Solve for x
x = 211,242,080,806.85/520,470.24 - Step 6: Final answer
x = 405,867.74
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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.