Finding the Fourth Proportional to 455,526.12, 682,459.74 and 445,572.84
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Solution
The fourth proportional to 455,526.12, 682,459.74 and 445,572.84 is: 667,547.94
Step by Step Solution
- Step 1: Write the proportion equation
455,526.12 : 682,459.74 = 445,572.84 : x - Step 2: Convert to fraction form
455,526.12/682,459.74 = 445,572.84/x - Step 3: Cross multiply
455,526.12x = 682,459.74 × 445,572.84 - Step 4: Simplify right side
455,526.12x = 304,085,524,537.46 - Step 5: Solve for x
x = 304,085,524,537.46/455,526.12 - Step 6: Final answer
x = 667,547.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.