Finding the Fourth Proportional to 802,404.09, 1,107,431.09 and 496,579.02
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Solution
The fourth proportional to 802,404.09, 1,107,431.09 and 496,579.02 is: 685,349.25
Step by Step Solution
- Step 1: Write the proportion equation
802,404.09 : 1,107,431.09 = 496,579.02 : x - Step 2: Convert to fraction form
802,404.09/1,107,431.09 = 496,579.02/x - Step 3: Cross multiply
802,404.09x = 1,107,431.09 × 496,579.02 - Step 4: Simplify right side
802,404.09x = 549,927,042,906.84 - Step 5: Solve for x
x = 549,927,042,906.84/802,404.09 - Step 6: Final answer
x = 685,349.25
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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.