Finding the Fourth Proportional to 520,396.24, 718,137.48 and 294,036.88
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Solution
The fourth proportional to 520,396.24, 718,137.48 and 294,036.88 is: 405,765.62
Step by Step Solution
- Step 1: Write the proportion equation
520,396.24 : 718,137.48 = 294,036.88 : x - Step 2: Convert to fraction form
520,396.24/718,137.48 = 294,036.88/x - Step 3: Cross multiply
520,396.24x = 718,137.48 × 294,036.88 - Step 4: Simplify right side
520,396.24x = 211,158,904,030.26 - Step 5: Solve for x
x = 211,158,904,030.26/520,396.24 - Step 6: Final answer
x = 405,765.62
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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.