Finding the Fourth Proportional to 763,324.24, 1,053,346.32 and 423,770.64
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Solution
The fourth proportional to 763,324.24, 1,053,346.32 and 423,770.64 is: 584,780.65
Step by Step Solution
- Step 1: Write the proportion equation
763,324.24 : 1,053,346.32 = 423,770.64 : x - Step 2: Convert to fraction form
763,324.24/1,053,346.32 = 423,770.64/x - Step 3: Cross multiply
763,324.24x = 1,053,346.32 × 423,770.64 - Step 4: Simplify right side
763,324.24x = 446,377,244,168.05 - Step 5: Solve for x
x = 446,377,244,168.05/763,324.24 - Step 6: Final answer
x = 584,780.65
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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.