Finding the Fourth Proportional to 440,484.91, 660,054.79 and 327,619.31
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Solution
The fourth proportional to 440,484.91, 660,054.79 and 327,619.31 is: 490,928.72
Step by Step Solution
- Step 1: Write the proportion equation
440,484.91 : 660,054.79 = 327,619.31 : x - Step 2: Convert to fraction form
440,484.91/660,054.79 = 327,619.31/x - Step 3: Cross multiply
440,484.91x = 660,054.79 × 327,619.31 - Step 4: Simplify right side
440,484.91x = 216,246,695,684.05 - Step 5: Solve for x
x = 216,246,695,684.05/440,484.91 - Step 6: Final answer
x = 490,928.72
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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.