Finding the Fourth Proportional to 841,177.20, 1,261,765.80 and 486,883.20
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Solution
The fourth proportional to 841,177.20, 1,261,765.80 and 486,883.20 is: 730,324.80
Step by Step Solution
- Step 1: Write the proportion equation
841,177.20 : 1,261,765.80 = 486,883.20 : x - Step 2: Convert to fraction form
841,177.20/1,261,765.80 = 486,883.20/x - Step 3: Cross multiply
841,177.20x = 1,261,765.80 × 486,883.20 - Step 4: Simplify right side
841,177.20x = 614,332,570,354.56 - Step 5: Solve for x
x = 614,332,570,354.56/841,177.20 - Step 6: Final answer
x = 730,324.80
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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.