Finding the Fourth Proportional to 880,638.99, 1,320,542.11 and 341,147.93
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Solution
The fourth proportional to 880,638.99, 1,320,542.11 and 341,147.93 is: 511,560.59
Step by Step Solution
- Step 1: Write the proportion equation
880,638.99 : 1,320,542.11 = 341,147.93 : x - Step 2: Convert to fraction form
880,638.99/1,320,542.11 = 341,147.93/x - Step 3: Cross multiply
880,638.99x = 1,320,542.11 × 341,147.93 - Step 4: Simplify right side
880,638.99x = 450,500,201,128.06 - Step 5: Solve for x
x = 450,500,201,128.06/880,638.99 - Step 6: Final answer
x = 511,560.59
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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.