Finding the Fourth Proportional to 1,550,647.09, 2,325,970.79 and 485,772.19
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Solution
The fourth proportional to 1,550,647.09, 2,325,970.79 and 485,772.19 is: 728,658.33
Step by Step Solution
- Step 1: Write the proportion equation
1,550,647.09 : 2,325,970.79 = 485,772.19 : x - Step 2: Convert to fraction form
1,550,647.09/2,325,970.79 = 485,772.19/x - Step 3: Cross multiply
1,550,647.09x = 2,325,970.79 × 485,772.19 - Step 4: Simplify right side
1,550,647.09x = 1,129,891,918,112.19 - Step 5: Solve for x
x = 1,129,891,918,112.19/1,550,647.09 - Step 6: Final answer
x = 728,658.33
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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.