Finding the Fourth Proportional to 699,118.72, 1,048,013.67 and 445,687.94
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Solution
The fourth proportional to 699,118.72, 1,048,013.67 and 445,687.94 is: 668,108.35
Step by Step Solution
- Step 1: Write the proportion equation
699,118.72 : 1,048,013.67 = 445,687.94 : x - Step 2: Convert to fraction form
699,118.72/1,048,013.67 = 445,687.94/x - Step 3: Cross multiply
699,118.72x = 1,048,013.67 × 445,687.94 - Step 4: Simplify right side
699,118.72x = 467,087,053,674.14 - Step 5: Solve for x
x = 467,087,053,674.14/699,118.72 - Step 6: Final answer
x = 668,108.35
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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.