Finding the Fourth Proportional to 637,771.14, 880,090.38 and 351,236.88
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Solution
The fourth proportional to 637,771.14, 880,090.38 and 351,236.88 is: 484,688.28
Step by Step Solution
- Step 1: Write the proportion equation
637,771.14 : 880,090.38 = 351,236.88 : x - Step 2: Convert to fraction form
637,771.14/880,090.38 = 351,236.88/x - Step 3: Cross multiply
637,771.14x = 880,090.38 × 351,236.88 - Step 4: Simplify right side
637,771.14x = 309,120,199,189.21 - Step 5: Solve for x
x = 309,120,199,189.21/637,771.14 - Step 6: Final answer
x = 484,688.28
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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.