Finding the Fourth Proportional to 411,861.37, 618,228.77 and 364,782.09
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Solution
The fourth proportional to 411,861.37, 618,228.77 and 364,782.09 is: 547,559.94
Step by Step Solution
- Step 1: Write the proportion equation
411,861.37 : 618,228.77 = 364,782.09 : x - Step 2: Convert to fraction form
411,861.37/618,228.77 = 364,782.09/x - Step 3: Cross multiply
411,861.37x = 618,228.77 × 364,782.09 - Step 4: Simplify right side
411,861.37x = 225,518,785,365.08 - Step 5: Solve for x
x = 225,518,785,365.08/411,861.37 - Step 6: Final answer
x = 547,559.94
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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.