Finding the Fourth Proportional to 965,129.05, 1,447,221.89 and 396,358.12
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Solution
The fourth proportional to 965,129.05, 1,447,221.89 and 396,358.12 is: 594,343.47
Step by Step Solution
- Step 1: Write the proportion equation
965,129.05 : 1,447,221.89 = 396,358.12 : x - Step 2: Convert to fraction form
965,129.05/1,447,221.89 = 396,358.12/x - Step 3: Cross multiply
965,129.05x = 1,447,221.89 × 396,358.12 - Step 4: Simplify right side
965,129.05x = 573,618,145,561.46 - Step 5: Solve for x
x = 573,618,145,561.46/965,129.05 - Step 6: Final answer
x = 594,343.47
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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.