Finding the Fourth Proportional to 1,057,496.12, 1,586,305.70 and 299,274.15
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Solution
The fourth proportional to 1,057,496.12, 1,586,305.70 and 299,274.15 is: 448,928.64
Step by Step Solution
- Step 1: Write the proportion equation
1,057,496.12 : 1,586,305.70 = 299,274.15 : x - Step 2: Convert to fraction form
1,057,496.12/1,586,305.70 = 299,274.15/x - Step 3: Cross multiply
1,057,496.12x = 1,586,305.70 × 299,274.15 - Step 4: Simplify right side
1,057,496.12x = 474,740,290,755.84 - Step 5: Solve for x
x = 474,740,290,755.84/1,057,496.12 - Step 6: Final answer
x = 448,928.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.