Finding the Fourth Proportional to 629,439.19, 868,614.38 and 350,053.53
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Solution
The fourth proportional to 629,439.19, 868,614.38 and 350,053.53 is: 483,067.36
Step by Step Solution
- Step 1: Write the proportion equation
629,439.19 : 868,614.38 = 350,053.53 : x - Step 2: Convert to fraction form
629,439.19/868,614.38 = 350,053.53/x - Step 3: Cross multiply
629,439.19x = 868,614.38 × 350,053.53 - Step 4: Simplify right side
629,439.19x = 304,061,526,292.13 - Step 5: Solve for x
x = 304,061,526,292.13/629,439.19 - Step 6: Final answer
x = 483,067.36
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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.