Finding the Fourth Proportional to 813,750.10, 1,220,625.11 and 273,961.24
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Solution
The fourth proportional to 813,750.10, 1,220,625.11 and 273,961.24 is: 410,941.84
Step by Step Solution
- Step 1: Write the proportion equation
813,750.10 : 1,220,625.11 = 273,961.24 : x - Step 2: Convert to fraction form
813,750.10/1,220,625.11 = 273,961.24/x - Step 3: Cross multiply
813,750.10x = 1,220,625.11 × 273,961.24 - Step 4: Simplify right side
813,750.10x = 334,403,966,344.08 - Step 5: Solve for x
x = 334,403,966,344.08/813,750.10 - Step 6: Final answer
x = 410,941.84
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1.5x scale
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.