Finding the Fourth Proportional to 804,429.84, 1,204,807.68 and 384,000.96
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Solution
The fourth proportional to 804,429.84, 1,204,807.68 and 384,000.96 is: 575,124.50
Step by Step Solution
- Step 1: Write the proportion equation
804,429.84 : 1,204,807.68 = 384,000.96 : x - Step 2: Convert to fraction form
804,429.84/1,204,807.68 = 384,000.96/x - Step 3: Cross multiply
804,429.84x = 1,204,807.68 × 384,000.96 - Step 4: Simplify right side
804,429.84x = 462,647,305,735.37 - Step 5: Solve for x
x = 462,647,305,735.37/804,429.84 - Step 6: Final answer
x = 575,124.50
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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.