Finding the Fourth Proportional to 753,481.98, 1,039,813.50 and 413,950.23
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Solution
The fourth proportional to 753,481.98, 1,039,813.50 and 413,950.23 is: 571,255.92
Step by Step Solution
- Step 1: Write the proportion equation
753,481.98 : 1,039,813.50 = 413,950.23 : x - Step 2: Convert to fraction form
753,481.98/1,039,813.50 = 413,950.23/x - Step 3: Cross multiply
753,481.98x = 1,039,813.50 × 413,950.23 - Step 4: Simplify right side
753,481.98x = 430,431,039,034.42 - Step 5: Solve for x
x = 430,431,039,034.42/753,481.98 - Step 6: Final answer
x = 571,255.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.