Finding the Fourth Proportional to 565,165.40, 779,971.68 and 323,523.80
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Solution
The fourth proportional to 565,165.40, 779,971.68 and 323,523.80 is: 446,487.70
Step by Step Solution
- Step 1: Write the proportion equation
565,165.40 : 779,971.68 = 323,523.80 : x - Step 2: Convert to fraction form
565,165.40/779,971.68 = 323,523.80/x - Step 3: Cross multiply
565,165.40x = 779,971.68 × 323,523.80 - Step 4: Simplify right side
565,165.40x = 252,339,401,805.98 - Step 5: Solve for x
x = 252,339,401,805.98/565,165.40 - Step 6: Final answer
x = 446,487.70
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1.5x scale
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.