Finding the Fourth Proportional to 768,120.12, 1,060,195.50 and 466,566.84
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Solution
The fourth proportional to 768,120.12, 1,060,195.50 and 466,566.84 is: 643,977.49
Step by Step Solution
- Step 1: Write the proportion equation
768,120.12 : 1,060,195.50 = 466,566.84 : x - Step 2: Convert to fraction form
768,120.12/1,060,195.50 = 466,566.84/x - Step 3: Cross multiply
768,120.12x = 1,060,195.50 × 466,566.84 - Step 4: Simplify right side
768,120.12x = 494,652,064,217.22 - Step 5: Solve for x
x = 494,652,064,217.22/768,120.12 - Step 6: Final answer
x = 643,977.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.