Finding the Fourth Proportional to 821,754.72, 1,230,934.08 and 483,753.84
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Solution
The fourth proportional to 821,754.72, 1,230,934.08 and 483,753.84 is: 724,631.17
Step by Step Solution
- Step 1: Write the proportion equation
821,754.72 : 1,230,934.08 = 483,753.84 : x - Step 2: Convert to fraction form
821,754.72/1,230,934.08 = 483,753.84/x - Step 3: Cross multiply
821,754.72x = 1,230,934.08 × 483,753.84 - Step 4: Simplify right side
821,754.72x = 595,469,087,986.87 - Step 5: Solve for x
x = 595,469,087,986.87/821,754.72 - Step 6: Final answer
x = 724,631.17
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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.