Finding the Fourth Proportional to 1,054,715.14, 1,582,340.61 and 306,761.14
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Solution
The fourth proportional to 1,054,715.14, 1,582,340.61 and 306,761.14 is: 460,219.63
Step by Step Solution
- Step 1: Write the proportion equation
1,054,715.14 : 1,582,340.61 = 306,761.14 : x - Step 2: Convert to fraction form
1,054,715.14/1,582,340.61 = 306,761.14/x - Step 3: Cross multiply
1,054,715.14x = 1,582,340.61 × 306,761.14 - Step 4: Simplify right side
1,054,715.14x = 485,400,609,391.90 - Step 5: Solve for x
x = 485,400,609,391.90/1,054,715.14 - Step 6: Final answer
x = 460,219.63
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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.