Finding the Fourth Proportional to 848,063.84, 1,272,089.28 and 216,976.64
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Solution
The fourth proportional to 848,063.84, 1,272,089.28 and 216,976.64 is: 325,463.30
Step by Step Solution
- Step 1: Write the proportion equation
848,063.84 : 1,272,089.28 = 216,976.64 : x - Step 2: Convert to fraction form
848,063.84/1,272,089.28 = 216,976.64/x - Step 3: Cross multiply
848,063.84x = 1,272,089.28 × 216,976.64 - Step 4: Simplify right side
848,063.84x = 276,013,657,754.42 - Step 5: Solve for x
x = 276,013,657,754.42/848,063.84 - Step 6: Final answer
x = 325,463.30
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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.