Finding the Fourth Proportional to 804,435.84, 1,204,816.68 and 384,006.96
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Solution
The fourth proportional to 804,435.84, 1,204,816.68 and 384,006.96 is: 575,133.49
Step by Step Solution
- Step 1: Write the proportion equation
804,435.84 : 1,204,816.68 = 384,006.96 : x - Step 2: Convert to fraction form
804,435.84/1,204,816.68 = 384,006.96/x - Step 3: Cross multiply
804,435.84x = 1,204,816.68 × 384,006.96 - Step 4: Simplify right side
804,435.84x = 462,657,990,644.09 - Step 5: Solve for x
x = 462,657,990,644.09/804,435.84 - Step 6: Final answer
x = 575,133.49
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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.