Finding the Fourth Proportional to 880,090.28, 1,214,492.10 and 477,673.64
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Solution
The fourth proportional to 880,090.28, 1,214,492.10 and 477,673.64 is: 659,171.99
Step by Step Solution
- Step 1: Write the proportion equation
880,090.28 : 1,214,492.10 = 477,673.64 : x - Step 2: Convert to fraction form
880,090.28/1,214,492.10 = 477,673.64/x - Step 3: Cross multiply
880,090.28x = 1,214,492.10 × 477,673.64 - Step 4: Simplify right side
880,090.28x = 580,130,862,158.24 - Step 5: Solve for x
x = 580,130,862,158.24/880,090.28 - Step 6: Final answer
x = 659,171.99
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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.