Finding the Fourth Proportional to 815,685.50, 1,125,192.57 and 757,953.74
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Solution
The fourth proportional to 815,685.50, 1,125,192.57 and 757,953.74 is: 1,045,554.83
Step by Step Solution
- Step 1: Write the proportion equation
815,685.50 : 1,125,192.57 = 757,953.74 : x - Step 2: Convert to fraction form
815,685.50/1,125,192.57 = 757,953.74/x - Step 3: Cross multiply
815,685.50x = 1,125,192.57 × 757,953.74 - Step 4: Simplify right side
815,685.50x = 852,843,911,025.75 - Step 5: Solve for x
x = 852,843,911,025.75/815,685.50 - Step 6: Final answer
x = 1,045,554.83
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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.