Finding the Fourth Proportional to 1,507,229.20, 2,260,843.80 and 509,957.20
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Solution
The fourth proportional to 1,507,229.20, 2,260,843.80 and 509,957.20 is: 764,935.80
Step by Step Solution
- Step 1: Write the proportion equation
1,507,229.20 : 2,260,843.80 = 509,957.20 : x - Step 2: Convert to fraction form
1,507,229.20/2,260,843.80 = 509,957.20/x - Step 3: Cross multiply
1,507,229.20x = 2,260,843.80 × 509,957.20 - Step 4: Simplify right side
1,507,229.20x = 1,152,933,573,885.36 - Step 5: Solve for x
x = 1,152,933,573,885.36/1,507,229.20 - Step 6: Final answer
x = 764,935.80
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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.