Finding the Fourth Proportional to 765,824.70, 1,149,174.45 and 529,337.10
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Solution
The fourth proportional to 765,824.70, 1,149,174.45 and 529,337.10 is: 794,307.98
Step by Step Solution
- Step 1: Write the proportion equation
765,824.70 : 1,149,174.45 = 529,337.10 : x - Step 2: Convert to fraction form
765,824.70/1,149,174.45 = 529,337.10/x - Step 3: Cross multiply
765,824.70x = 1,149,174.45 × 529,337.10 - Step 4: Simplify right side
765,824.70x = 608,300,670,757.10 - Step 5: Solve for x
x = 608,300,670,757.10/765,824.70 - Step 6: Final answer
x = 794,307.98
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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.