Finding the Fourth Proportional to 825,346.26, 1,138,558.64 and 539,033.94
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Solution
The fourth proportional to 825,346.26, 1,138,558.64 and 539,033.94 is: 743,593.06
Step by Step Solution
- Step 1: Write the proportion equation
825,346.26 : 1,138,558.64 = 539,033.94 : x - Step 2: Convert to fraction form
825,346.26/1,138,558.64 = 539,033.94/x - Step 3: Cross multiply
825,346.26x = 1,138,558.64 × 539,033.94 - Step 4: Simplify right side
825,346.26x = 613,721,749,640.24 - Step 5: Solve for x
x = 613,721,749,640.24/825,346.26 - Step 6: Final answer
x = 743,593.06
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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.