Finding the Fourth Proportional to 938,343.97, 1,294,879.99 and 508,614.87
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Solution
The fourth proportional to 938,343.97, 1,294,879.99 and 508,614.87 is: 701,869.72
Step by Step Solution
- Step 1: Write the proportion equation
938,343.97 : 1,294,879.99 = 508,614.87 : x - Step 2: Convert to fraction form
938,343.97/1,294,879.99 = 508,614.87/x - Step 3: Cross multiply
938,343.97x = 1,294,879.99 × 508,614.87 - Step 4: Simplify right side
938,343.97x = 658,595,216,529.82 - Step 5: Solve for x
x = 658,595,216,529.82/938,343.97 - Step 6: Final answer
x = 701,869.72
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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.