Finding the Fourth Proportional to 996,530.70, 1,391,993.70 and 996,530.70
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Solution
The fourth proportional to 996,530.70, 1,391,993.70 and 996,530.70 is: 1,391,993.70
Step by Step Solution
- Step 1: Write the proportion equation
996,530.70 : 1,391,993.70 = 996,530.70 : x - Step 2: Convert to fraction form
996,530.70/1,391,993.70 = 996,530.70/x - Step 3: Cross multiply
996,530.70x = 1,391,993.70 × 996,530.70 - Step 4: Simplify right side
996,530.70x = 1,387,164,456,256.59 - Step 5: Solve for x
x = 1,387,164,456,256.59/996,530.70 - Step 6: Final answer
x = 1,391,993.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.