Finding the Fourth Proportional to 987,795.84, 1,481,901.12 and 322,896
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Solution
The fourth proportional to 987,795.84, 1,481,901.12 and 322,896 is: 484,411.78
Step by Step Solution
- Step 1: Write the proportion equation
987,795.84 : 1,481,901.12 = 322,896 : x - Step 2: Convert to fraction form
987,795.84/1,481,901.12 = 322,896/x - Step 3: Cross multiply
987,795.84x = 1,481,901.12 × 322,896 - Step 4: Simplify right side
987,795.84x = 478,499,944,043.52 - Step 5: Solve for x
x = 478,499,944,043.52/987,795.84 - Step 6: Final answer
x = 484,411.78
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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.