Finding the Fourth Proportional to 668,299.80, 1,002,562.02 and 331,357.08
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Solution
The fourth proportional to 668,299.80, 1,002,562.02 and 331,357.08 is: 497,091.31
Step by Step Solution
- Step 1: Write the proportion equation
668,299.80 : 1,002,562.02 = 331,357.08 : x - Step 2: Convert to fraction form
668,299.80/1,002,562.02 = 331,357.08/x - Step 3: Cross multiply
668,299.80x = 1,002,562.02 × 331,357.08 - Step 4: Simplify right side
668,299.80x = 332,206,023,466.10 - Step 5: Solve for x
x = 332,206,023,466.10/668,299.80 - Step 6: Final answer
x = 497,091.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.