Finding the Fourth Proportional to 1,080,202.80, 1,620,304.20 and 370,237.80
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Solution
The fourth proportional to 1,080,202.80, 1,620,304.20 and 370,237.80 is: 555,356.70
Step by Step Solution
- Step 1: Write the proportion equation
1,080,202.80 : 1,620,304.20 = 370,237.80 : x - Step 2: Convert to fraction form
1,080,202.80/1,620,304.20 = 370,237.80/x - Step 3: Cross multiply
1,080,202.80x = 1,620,304.20 × 370,237.80 - Step 4: Simplify right side
1,080,202.80x = 599,897,862,338.76 - Step 5: Solve for x
x = 599,897,862,338.76/1,080,202.80 - Step 6: Final answer
x = 555,356.70
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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.