Finding the Fourth Proportional to 469,763.12, 647,378.16 and 461,126.08
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Solution
The fourth proportional to 469,763.12, 647,378.16 and 461,126.08 is: 635,475.50
Step by Step Solution
- Step 1: Write the proportion equation
469,763.12 : 647,378.16 = 461,126.08 : x - Step 2: Convert to fraction form
469,763.12/647,378.16 = 461,126.08/x - Step 3: Cross multiply
469,763.12x = 647,378.16 × 461,126.08 - Step 4: Simplify right side
469,763.12x = 298,522,953,198.41 - Step 5: Solve for x
x = 298,522,953,198.41/469,763.12 - Step 6: Final answer
x = 635,475.50
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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.