Finding the Fourth Proportional to 850,982.46, 1,174,401.99 and 488,403.42
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Solution
The fourth proportional to 850,982.46, 1,174,401.99 and 488,403.42 is: 674,023.23
Step by Step Solution
- Step 1: Write the proportion equation
850,982.46 : 1,174,401.99 = 488,403.42 : x - Step 2: Convert to fraction form
850,982.46/1,174,401.99 = 488,403.42/x - Step 3: Cross multiply
850,982.46x = 1,174,401.99 × 488,403.42 - Step 4: Simplify right side
850,982.46x = 573,581,948,370.81 - Step 5: Solve for x
x = 573,581,948,370.81/850,982.46 - Step 6: Final answer
x = 674,023.23
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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.