Finding the Fourth Proportional to 996,680.34, 1,375,330.58 and 555,121.24
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Solution
The fourth proportional to 996,680.34, 1,375,330.58 and 555,121.24 is: 766,018.14
Step by Step Solution
- Step 1: Write the proportion equation
996,680.34 : 1,375,330.58 = 555,121.24 : x - Step 2: Convert to fraction form
996,680.34/1,375,330.58 = 555,121.24/x - Step 3: Cross multiply
996,680.34x = 1,375,330.58 × 555,121.24 - Step 4: Simplify right side
996,680.34x = 763,475,216,979.52 - Step 5: Solve for x
x = 763,475,216,979.52/996,680.34 - Step 6: Final answer
x = 766,018.14
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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.