Finding the Fourth Proportional to 586,177.76, 809,077.36 and 331,676.58
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Solution
The fourth proportional to 586,177.76, 809,077.36 and 331,676.58 is: 457,799.72
Step by Step Solution
- Step 1: Write the proportion equation
586,177.76 : 809,077.36 = 331,676.58 : x - Step 2: Convert to fraction form
586,177.76/809,077.36 = 331,676.58/x - Step 3: Cross multiply
586,177.76x = 809,077.36 × 331,676.58 - Step 4: Simplify right side
586,177.76x = 268,352,011,720.23 - Step 5: Solve for x
x = 268,352,011,720.23/586,177.76 - Step 6: Final answer
x = 457,799.72
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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.