Finding the Fourth Proportional to 1,320,246.48, 1,980,474.36 and 373,623.12
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Solution
The fourth proportional to 1,320,246.48, 1,980,474.36 and 373,623.12 is: 560,464.29
Step by Step Solution
- Step 1: Write the proportion equation
1,320,246.48 : 1,980,474.36 = 373,623.12 : x - Step 2: Convert to fraction form
1,320,246.48/1,980,474.36 = 373,623.12/x - Step 3: Cross multiply
1,320,246.48x = 1,980,474.36 × 373,623.12 - Step 4: Simplify right side
1,320,246.48x = 739,951,009,463.20 - Step 5: Solve for x
x = 739,951,009,463.20/1,320,246.48 - Step 6: Final answer
x = 560,464.29
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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.