Finding the Fourth Proportional to 686,454.65, 1,029,692.67 and 259,875.97
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Solution
The fourth proportional to 686,454.65, 1,029,692.67 and 259,875.97 is: 389,818.00
Step by Step Solution
- Step 1: Write the proportion equation
686,454.65 : 1,029,692.67 = 259,875.97 : x - Step 2: Convert to fraction form
686,454.65/1,029,692.67 = 259,875.97/x - Step 3: Cross multiply
686,454.65x = 1,029,692.67 × 259,875.97 - Step 4: Simplify right side
686,454.65x = 267,592,377,869.37 - Step 5: Solve for x
x = 267,592,377,869.37/686,454.65 - Step 6: Final answer
x = 389,818.00
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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.