Finding the Fourth Proportional to 737,471.90, 1,106,586.94 and 638,269.58
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Solution
The fourth proportional to 737,471.90, 1,106,586.94 and 638,269.58 is: 957,732.47
Step by Step Solution
- Step 1: Write the proportion equation
737,471.90 : 1,106,586.94 = 638,269.58 : x - Step 2: Convert to fraction form
737,471.90/1,106,586.94 = 638,269.58/x - Step 3: Cross multiply
737,471.90x = 1,106,586.94 × 638,269.58 - Step 4: Simplify right side
737,471.90x = 706,300,781,427.29 - Step 5: Solve for x
x = 706,300,781,427.29/737,471.90 - Step 6: Final answer
x = 957,732.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.