Finding the Fourth Proportional to 857,537.08, 1,286,316.50 and 324,915.04
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Solution
The fourth proportional to 857,537.08, 1,286,316.50 and 324,915.04 is: 487,376.68
Step by Step Solution
- Step 1: Write the proportion equation
857,537.08 : 1,286,316.50 = 324,915.04 : x - Step 2: Convert to fraction form
857,537.08/1,286,316.50 = 324,915.04/x - Step 3: Cross multiply
857,537.08x = 1,286,316.50 × 324,915.04 - Step 4: Simplify right side
857,537.08x = 417,943,577,050.16 - Step 5: Solve for x
x = 417,943,577,050.16/857,537.08 - Step 6: Final answer
x = 487,376.68
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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.