Finding the Fourth Proportional to 533,204.55, 731,905.53 and 471,421.80
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Solution
The fourth proportional to 533,204.55, 731,905.53 and 471,421.80 is: 647,099.17
Step by Step Solution
- Step 1: Write the proportion equation
533,204.55 : 731,905.53 = 471,421.80 : x - Step 2: Convert to fraction form
533,204.55/731,905.53 = 471,421.80/x - Step 3: Cross multiply
533,204.55x = 731,905.53 × 471,421.80 - Step 4: Simplify right side
533,204.55x = 345,036,222,382.55 - Step 5: Solve for x
x = 345,036,222,382.55/533,204.55 - Step 6: Final answer
x = 647,099.17
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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.