Finding the Fourth Proportional to 629,745.40, 944,618.10 and 531,767.80
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Solution
The fourth proportional to 629,745.40, 944,618.10 and 531,767.80 is: 797,651.70
Step by Step Solution
- Step 1: Write the proportion equation
629,745.40 : 944,618.10 = 531,767.80 : x - Step 2: Convert to fraction form
629,745.40/944,618.10 = 531,767.80/x - Step 3: Cross multiply
629,745.40x = 944,618.10 × 531,767.80 - Step 4: Simplify right side
629,745.40x = 502,317,488,877.18 - Step 5: Solve for x
x = 502,317,488,877.18/629,745.40 - Step 6: Final answer
x = 797,651.70
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1.5x scale
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.