Finding the Fourth Proportional to 496,670.78, 685,537.49 and 305,844.10
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Solution
The fourth proportional to 496,670.78, 685,537.49 and 305,844.10 is: 422,146.02
Step by Step Solution
- Step 1: Write the proportion equation
496,670.78 : 685,537.49 = 305,844.10 : x - Step 2: Convert to fraction form
496,670.78/685,537.49 = 305,844.10/x - Step 3: Cross multiply
496,670.78x = 685,537.49 × 305,844.10 - Step 4: Simplify right side
496,670.78x = 209,667,595,696.08 - Step 5: Solve for x
x = 209,667,595,696.08/496,670.78 - Step 6: Final answer
x = 422,146.02
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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.