Finding the Fourth Proportional to 870,882.96, 1,201,817.58 and 488,910.48
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Solution
The fourth proportional to 870,882.96, 1,201,817.58 and 488,910.48 is: 674,695.95
Step by Step Solution
- Step 1: Write the proportion equation
870,882.96 : 1,201,817.58 = 488,910.48 : x - Step 2: Convert to fraction form
870,882.96/1,201,817.58 = 488,910.48/x - Step 3: Cross multiply
870,882.96x = 1,201,817.58 × 488,910.48 - Step 4: Simplify right side
870,882.96x = 587,581,209,910.24 - Step 5: Solve for x
x = 587,581,209,910.24/870,882.96 - Step 6: Final answer
x = 674,695.95
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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.