Finding the Fourth Proportional to 629,739.40, 944,609.10 and 531,761.80
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Solution
The fourth proportional to 629,739.40, 944,609.10 and 531,761.80 is: 797,642.70
Step by Step Solution
- Step 1: Write the proportion equation
629,739.40 : 944,609.10 = 531,761.80 : x - Step 2: Convert to fraction form
629,739.40/944,609.10 = 531,761.80/x - Step 3: Cross multiply
629,739.40x = 944,609.10 × 531,761.80 - Step 4: Simplify right side
629,739.40x = 502,307,035,312.38 - Step 5: Solve for x
x = 502,307,035,312.38/629,739.40 - Step 6: Final answer
x = 797,642.70
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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.