Finding the Fourth Proportional to 825,113.20, 1,235,596.20 and 659,225.20
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Solution
The fourth proportional to 825,113.20, 1,235,596.20 and 659,225.20 is: 987,181.09
Step by Step Solution
- Step 1: Write the proportion equation
825,113.20 : 1,235,596.20 = 659,225.20 : x - Step 2: Convert to fraction form
825,113.20/1,235,596.20 = 659,225.20/x - Step 3: Cross multiply
825,113.20x = 1,235,596.20 × 659,225.20 - Step 4: Simplify right side
825,113.20x = 814,536,152,064.24 - Step 5: Solve for x
x = 814,536,152,064.24/825,113.20 - Step 6: Final answer
x = 987,181.09
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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.