Finding the Fourth Proportional to 717,945.24, 990,768.33 and 411,997.26
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Solution
The fourth proportional to 717,945.24, 990,768.33 and 411,997.26 is: 568,558.46
Step by Step Solution
- Step 1: Write the proportion equation
717,945.24 : 990,768.33 = 411,997.26 : x - Step 2: Convert to fraction form
717,945.24/990,768.33 = 411,997.26/x - Step 3: Cross multiply
717,945.24x = 990,768.33 × 411,997.26 - Step 4: Simplify right side
717,945.24x = 408,193,837,254.78 - Step 5: Solve for x
x = 408,193,837,254.78/717,945.24 - Step 6: Final answer
x = 568,558.46
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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.