Finding the Fourth Proportional to 676,709.13, 1,014,984.68 and 271,885.02
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Solution
The fourth proportional to 676,709.13, 1,014,984.68 and 271,885.02 is: 407,795.78
Step by Step Solution
- Step 1: Write the proportion equation
676,709.13 : 1,014,984.68 = 271,885.02 : x - Step 2: Convert to fraction form
676,709.13/1,014,984.68 = 271,885.02/x - Step 3: Cross multiply
676,709.13x = 1,014,984.68 × 271,885.02 - Step 4: Simplify right side
676,709.13x = 275,959,130,021.49 - Step 5: Solve for x
x = 275,959,130,021.49/676,709.13 - Step 6: Final answer
x = 407,795.78
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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.