Finding the Fourth Proportional to 957,209.63, 1,320,932.88 and 521,630.99
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Solution
The fourth proportional to 957,209.63, 1,320,932.88 and 521,630.99 is: 719,841.83
Step by Step Solution
- Step 1: Write the proportion equation
957,209.63 : 1,320,932.88 = 521,630.99 : x - Step 2: Convert to fraction form
957,209.63/1,320,932.88 = 521,630.99/x - Step 3: Cross multiply
957,209.63x = 1,320,932.88 × 521,630.99 - Step 4: Simplify right side
957,209.63x = 689,039,524,266.79 - Step 5: Solve for x
x = 689,039,524,266.79/957,209.63 - Step 6: Final answer
x = 719,841.83
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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.