Finding the Fourth Proportional to 702,128.26, 968,934.09 and 379,837.60
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Solution
The fourth proportional to 702,128.26, 968,934.09 and 379,837.60 is: 524,174.31
Step by Step Solution
- Step 1: Write the proportion equation
702,128.26 : 968,934.09 = 379,837.60 : x - Step 2: Convert to fraction form
702,128.26/968,934.09 = 379,837.60/x - Step 3: Cross multiply
702,128.26x = 968,934.09 × 379,837.60 - Step 4: Simplify right side
702,128.26x = 368,037,599,303.78 - Step 5: Solve for x
x = 368,037,599,303.78/702,128.26 - Step 6: Final answer
x = 524,174.31
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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.