Finding the Fourth Proportional to 979,858.92, 1,469,775.36 and 474,465.09
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Solution
The fourth proportional to 979,858.92, 1,469,775.36 and 474,465.09 is: 711,691.33
Step by Step Solution
- Step 1: Write the proportion equation
979,858.92 : 1,469,775.36 = 474,465.09 : x - Step 2: Convert to fraction form
979,858.92/1,469,775.36 = 474,465.09/x - Step 3: Cross multiply
979,858.92x = 1,469,775.36 × 474,465.09 - Step 4: Simplify right side
979,858.92x = 697,357,098,462.18 - Step 5: Solve for x
x = 697,357,098,462.18/979,858.92 - Step 6: Final answer
x = 711,691.33
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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.