Finding the Fourth Proportional to 702,685.09, 969,704.31 and 380,395.09
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Solution
The fourth proportional to 702,685.09, 969,704.31 and 380,395.09 is: 524,944.62
Step by Step Solution
- Step 1: Write the proportion equation
702,685.09 : 969,704.31 = 380,395.09 : x - Step 2: Convert to fraction form
702,685.09/969,704.31 = 380,395.09/x - Step 3: Cross multiply
702,685.09x = 969,704.31 × 380,395.09 - Step 4: Simplify right side
702,685.09x = 368,870,758,275.84 - Step 5: Solve for x
x = 368,870,758,275.84/702,685.09 - Step 6: Final answer
x = 524,944.62
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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.