Finding the Fourth Proportional to 717,949.24, 990,773.85 and 412,001.26
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Solution
The fourth proportional to 717,949.24, 990,773.85 and 412,001.26 is: 568,563.98
Step by Step Solution
- Step 1: Write the proportion equation
717,949.24 : 990,773.85 = 412,001.26 : x - Step 2: Convert to fraction form
717,949.24/990,773.85 = 412,001.26/x - Step 3: Cross multiply
717,949.24x = 990,773.85 × 412,001.26 - Step 4: Simplify right side
717,949.24x = 408,200,074,575.05 - Step 5: Solve for x
x = 408,200,074,575.05/717,949.24 - Step 6: Final answer
x = 568,563.98
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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.