Finding the Fourth Proportional to 1,163,498.56, 1,745,286 and 321,979.84
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Solution
The fourth proportional to 1,163,498.56, 1,745,286 and 321,979.84 is: 482,980.32
Step by Step Solution
- Step 1: Write the proportion equation
1,163,498.56 : 1,745,286 = 321,979.84 : x - Step 2: Convert to fraction form
1,163,498.56/1,745,286 = 321,979.84/x - Step 3: Cross multiply
1,163,498.56x = 1,745,286 × 321,979.84 - Step 4: Simplify right side
1,163,498.56x = 561,946,907,034.24 - Step 5: Solve for x
x = 561,946,907,034.24/1,163,498.56 - Step 6: Final answer
x = 482,980.32
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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.