Finding the Fourth Proportional to 685,541.25, 946,040.36 and 395,046.09
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Solution
The fourth proportional to 685,541.25, 946,040.36 and 395,046.09 is: 545,159.82
Step by Step Solution
- Step 1: Write the proportion equation
685,541.25 : 946,040.36 = 395,046.09 : x - Step 2: Convert to fraction form
685,541.25/946,040.36 = 395,046.09/x - Step 3: Cross multiply
685,541.25x = 946,040.36 × 395,046.09 - Step 4: Simplify right side
685,541.25x = 373,729,543,224.96 - Step 5: Solve for x
x = 373,729,543,224.96/685,541.25 - Step 6: Final answer
x = 545,159.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.