Finding the Fourth Proportional to 811,808.82, 1,212,735.33 and 585,235.62
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Solution
The fourth proportional to 811,808.82, 1,212,735.33 and 585,235.62 is: 874,264.85
Step by Step Solution
- Step 1: Write the proportion equation
811,808.82 : 1,212,735.33 = 585,235.62 : x - Step 2: Convert to fraction form
811,808.82/1,212,735.33 = 585,235.62/x - Step 3: Cross multiply
811,808.82x = 1,212,735.33 × 585,235.62 - Step 4: Simplify right side
811,808.82x = 709,735,912,748.46 - Step 5: Solve for x
x = 709,735,912,748.46/811,808.82 - Step 6: Final answer
x = 874,264.85
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.