Finding the Fourth Proportional to 899,183.01, 1,240,858.07 and 491,276.09
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Solution
The fourth proportional to 899,183.01, 1,240,858.07 and 491,276.09 is: 677,953.09
Step by Step Solution
- Step 1: Write the proportion equation
899,183.01 : 1,240,858.07 = 491,276.09 : x - Step 2: Convert to fraction form
899,183.01/1,240,858.07 = 491,276.09/x - Step 3: Cross multiply
899,183.01x = 1,240,858.07 × 491,276.09 - Step 4: Simplify right side
899,183.01x = 609,603,896,382.77 - Step 5: Solve for x
x = 609,603,896,382.77/899,183.01 - Step 6: Final answer
x = 677,953.09
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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.