Finding the Fourth Proportional to 1,279,844.07, 1,919,880.94 and 333,222.99
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Solution
The fourth proportional to 1,279,844.07, 1,919,880.94 and 333,222.99 is: 499,864.38
Step by Step Solution
- Step 1: Write the proportion equation
1,279,844.07 : 1,919,880.94 = 333,222.99 : x - Step 2: Convert to fraction form
1,279,844.07/1,919,880.94 = 333,222.99/x - Step 3: Cross multiply
1,279,844.07x = 1,919,880.94 × 333,222.99 - Step 4: Simplify right side
1,279,844.07x = 639,748,467,270.81 - Step 5: Solve for x
x = 639,748,467,270.81/1,279,844.07 - Step 6: Final answer
x = 499,864.38
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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.