Finding the Fourth Proportional to 899,233.80, 1,348,850.70 and 857,761.80
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Solution
The fourth proportional to 899,233.80, 1,348,850.70 and 857,761.80 is: 1,286,642.70
Step by Step Solution
- Step 1: Write the proportion equation
899,233.80 : 1,348,850.70 = 857,761.80 : x - Step 2: Convert to fraction form
899,233.80/1,348,850.70 = 857,761.80/x - Step 3: Cross multiply
899,233.80x = 1,348,850.70 × 857,761.80 - Step 4: Simplify right side
899,233.80x = 1,156,992,604,363.26 - Step 5: Solve for x
x = 1,156,992,604,363.26/899,233.80 - Step 6: Final answer
x = 1,286,642.70
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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.