Finding the Fourth Proportional to 912,229.67, 1,259,076.79 and 530,476.67
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Solution
The fourth proportional to 912,229.67, 1,259,076.79 and 530,476.67 is: 732,174.02
Step by Step Solution
- Step 1: Write the proportion equation
912,229.67 : 1,259,076.79 = 530,476.67 : x - Step 2: Convert to fraction form
912,229.67/1,259,076.79 = 530,476.67/x - Step 3: Cross multiply
912,229.67x = 1,259,076.79 × 530,476.67 - Step 4: Simplify right side
912,229.67x = 667,910,866,644.28 - Step 5: Solve for x
x = 667,910,866,644.28/912,229.67 - Step 6: Final answer
x = 732,174.02
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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.