Finding the Fourth Proportional to 1,160,122.80, 1,738,801.80 and 486,202.80
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Solution
The fourth proportional to 1,160,122.80, 1,738,801.80 and 486,202.80 is: 728,724.84
Step by Step Solution
- Step 1: Write the proportion equation
1,160,122.80 : 1,738,801.80 = 486,202.80 : x - Step 2: Convert to fraction form
1,160,122.80/1,738,801.80 = 486,202.80/x - Step 3: Cross multiply
1,160,122.80x = 1,738,801.80 × 486,202.80 - Step 4: Simplify right side
1,160,122.80x = 845,410,303,805.04 - Step 5: Solve for x
x = 845,410,303,805.04/1,160,122.80 - Step 6: Final answer
x = 728,724.84
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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.