Finding the Fourth Proportional to 857,851.56, 1,286,284.86 and 325,033.08
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Solution
The fourth proportional to 857,851.56, 1,286,284.86 and 325,033.08 is: 487,363.02
Step by Step Solution
- Step 1: Write the proportion equation
857,851.56 : 1,286,284.86 = 325,033.08 : x - Step 2: Convert to fraction form
857,851.56/1,286,284.86 = 325,033.08/x - Step 3: Cross multiply
857,851.56x = 1,286,284.86 × 325,033.08 - Step 4: Simplify right side
857,851.56x = 418,085,129,803.17 - Step 5: Solve for x
x = 418,085,129,803.17/857,851.56 - Step 6: Final answer
x = 487,363.02
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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.