Finding the Fourth Proportional to 469,704.96, 644,207.40 and 450,415.44
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Solution
The fourth proportional to 469,704.96, 644,207.40 and 450,415.44 is: 617,751.53
Step by Step Solution
- Step 1: Write the proportion equation
469,704.96 : 644,207.40 = 450,415.44 : x - Step 2: Convert to fraction form
469,704.96/644,207.40 = 450,415.44/x - Step 3: Cross multiply
469,704.96x = 644,207.40 × 450,415.44 - Step 4: Simplify right side
469,704.96x = 290,160,959,522.26 - Step 5: Solve for x
x = 290,160,959,522.26/469,704.96 - Step 6: Final answer
x = 617,751.53
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.