Finding the Fourth Proportional to 874,945.50, 1,207,424.79 and 472,537.50
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Solution
The fourth proportional to 874,945.50, 1,207,424.79 and 472,537.50 is: 652,101.75
Step by Step Solution
- Step 1: Write the proportion equation
874,945.50 : 1,207,424.79 = 472,537.50 : x - Step 2: Convert to fraction form
874,945.50/1,207,424.79 = 472,537.50/x - Step 3: Cross multiply
874,945.50x = 1,207,424.79 × 472,537.50 - Step 4: Simplify right side
874,945.50x = 570,553,491,704.63 - Step 5: Solve for x
x = 570,553,491,704.63/874,945.50 - Step 6: Final answer
x = 652,101.75
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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.