Finding the Fourth Proportional to 702,284.97, 969,146.34 and 379,988.00
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Solution
The fourth proportional to 702,284.97, 969,146.34 and 379,988.00 is: 524,379.69
Step by Step Solution
- Step 1: Write the proportion equation
702,284.97 : 969,146.34 = 379,988.00 : x - Step 2: Convert to fraction form
702,284.97/969,146.34 = 379,988.00/x - Step 3: Cross multiply
702,284.97x = 969,146.34 × 379,988.00 - Step 4: Simplify right side
702,284.97x = 368,263,974,598.19 - Step 5: Solve for x
x = 368,263,974,598.19/702,284.97 - Step 6: Final answer
x = 524,379.69
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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.