Finding the Fourth Proportional to 850,114.16, 1,173,140.67 and 462,934.17
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Solution
The fourth proportional to 850,114.16, 1,173,140.67 and 462,934.17 is: 638,839.97
Step by Step Solution
- Step 1: Write the proportion equation
850,114.16 : 1,173,140.67 = 462,934.17 : x - Step 2: Convert to fraction form
850,114.16/1,173,140.67 = 462,934.17/x - Step 3: Cross multiply
850,114.16x = 1,173,140.67 × 462,934.17 - Step 4: Simplify right side
850,114.16x = 543,086,906,440.88 - Step 5: Solve for x
x = 543,086,906,440.88/850,114.16 - Step 6: Final answer
x = 638,839.97
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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.