Finding the Fourth Proportional to 653,239.28, 979,850.24 and 316,310.06
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Solution
The fourth proportional to 653,239.28, 979,850.24 and 316,310.06 is: 474,460.89
Step by Step Solution
- Step 1: Write the proportion equation
653,239.28 : 979,850.24 = 316,310.06 : x - Step 2: Convert to fraction form
653,239.28/979,850.24 = 316,310.06/x - Step 3: Cross multiply
653,239.28x = 979,850.24 × 316,310.06 - Step 4: Simplify right side
653,239.28x = 309,936,488,205.41 - Step 5: Solve for x
x = 309,936,488,205.41/653,239.28 - Step 6: Final answer
x = 474,460.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.