Finding the Fourth Proportional to 754,207.60, 1,131,311.40 and 725,177.20
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Solution
The fourth proportional to 754,207.60, 1,131,311.40 and 725,177.20 is: 1,087,765.80
Step by Step Solution
- Step 1: Write the proportion equation
754,207.60 : 1,131,311.40 = 725,177.20 : x - Step 2: Convert to fraction form
754,207.60/1,131,311.40 = 725,177.20/x - Step 3: Cross multiply
754,207.60x = 1,131,311.40 × 725,177.20 - Step 4: Simplify right side
754,207.60x = 820,401,233,380.08 - Step 5: Solve for x
x = 820,401,233,380.08/754,207.60 - Step 6: Final answer
x = 1,087,765.80
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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.