Finding the Fourth Proportional to 986,554.80, 1,479,832.20 and 355,489.20
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Solution
The fourth proportional to 986,554.80, 1,479,832.20 and 355,489.20 is: 533,233.80
Step by Step Solution
- Step 1: Write the proportion equation
986,554.80 : 1,479,832.20 = 355,489.20 : x - Step 2: Convert to fraction form
986,554.80/1,479,832.20 = 355,489.20/x - Step 3: Cross multiply
986,554.80x = 1,479,832.20 × 355,489.20 - Step 4: Simplify right side
986,554.80x = 526,064,364,912.24 - Step 5: Solve for x
x = 526,064,364,912.24/986,554.80 - Step 6: Final answer
x = 533,233.80
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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.