Finding the Fourth Proportional to 802,348.01, 1,107,237.97 and 439,770.74
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Solution
The fourth proportional to 802,348.01, 1,107,237.97 and 439,770.74 is: 606,882.38
Step by Step Solution
- Step 1: Write the proportion equation
802,348.01 : 1,107,237.97 = 439,770.74 : x - Step 2: Convert to fraction form
802,348.01/1,107,237.97 = 439,770.74/x - Step 3: Cross multiply
802,348.01x = 1,107,237.97 × 439,770.74 - Step 4: Simplify right side
802,348.01x = 486,930,863,091.67 - Step 5: Solve for x
x = 486,930,863,091.67/802,348.01 - Step 6: Final answer
x = 606,882.38
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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.