Finding the Fourth Proportional to 815,295.92, 1,125,136.66 and 452,725.84
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Solution
The fourth proportional to 815,295.92, 1,125,136.66 and 452,725.84 is: 624,777.37
Step by Step Solution
- Step 1: Write the proportion equation
815,295.92 : 1,125,136.66 = 452,725.84 : x - Step 2: Convert to fraction form
815,295.92/1,125,136.66 = 452,725.84/x - Step 3: Cross multiply
815,295.92x = 1,125,136.66 × 452,725.84 - Step 4: Simplify right side
815,295.92x = 509,378,439,513.29 - Step 5: Solve for x
x = 509,378,439,513.29/815,295.92 - Step 6: Final answer
x = 624,777.37
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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.