Finding the Fourth Proportional to 1,040,403.06, 1,560,604.60 and 292,449.06
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Solution
The fourth proportional to 1,040,403.06, 1,560,604.60 and 292,449.06 is: 438,673.59
Step by Step Solution
- Step 1: Write the proportion equation
1,040,403.06 : 1,560,604.60 = 292,449.06 : x - Step 2: Convert to fraction form
1,040,403.06/1,560,604.60 = 292,449.06/x - Step 3: Cross multiply
1,040,403.06x = 1,560,604.60 × 292,449.06 - Step 4: Simplify right side
1,040,403.06x = 456,397,348,301.68 - Step 5: Solve for x
x = 456,397,348,301.68/1,040,403.06 - Step 6: Final answer
x = 438,673.59
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1.5x scale
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.