Finding the Fourth Proportional to 881,529.48, 1,217,010.24 and 674,408.19
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Solution
The fourth proportional to 881,529.48, 1,217,010.24 and 674,408.19 is: 931,065.49
Step by Step Solution
- Step 1: Write the proportion equation
881,529.48 : 1,217,010.24 = 674,408.19 : x - Step 2: Convert to fraction form
881,529.48/1,217,010.24 = 674,408.19/x - Step 3: Cross multiply
881,529.48x = 1,217,010.24 × 674,408.19 - Step 4: Simplify right side
881,529.48x = 820,761,673,169.87 - Step 5: Solve for x
x = 820,761,673,169.87/881,529.48 - Step 6: Final answer
x = 931,065.49
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1.5x scale
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.