Finding the Fourth Proportional to 481,814.19, 723,764.16 and 313,247.82
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Solution
The fourth proportional to 481,814.19, 723,764.16 and 313,247.82 is: 470,549.75
Step by Step Solution
- Step 1: Write the proportion equation
481,814.19 : 723,764.16 = 313,247.82 : x - Step 2: Convert to fraction form
481,814.19/723,764.16 = 313,247.82/x - Step 3: Cross multiply
481,814.19x = 723,764.16 × 313,247.82 - Step 4: Simplify right side
481,814.19x = 226,717,548,028.25 - Step 5: Solve for x
x = 226,717,548,028.25/481,814.19 - Step 6: Final answer
x = 470,549.75
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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.