Finding the Fourth Proportional to 852,522.84, 1,176,463.62 and 465,325.56
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Solution
The fourth proportional to 852,522.84, 1,176,463.62 and 465,325.56 is: 642,139.50
Step by Step Solution
- Step 1: Write the proportion equation
852,522.84 : 1,176,463.62 = 465,325.56 : x - Step 2: Convert to fraction form
852,522.84/1,176,463.62 = 465,325.56/x - Step 3: Cross multiply
852,522.84x = 1,176,463.62 × 465,325.56 - Step 4: Simplify right side
852,522.84x = 547,438,592,796.13 - Step 5: Solve for x
x = 547,438,592,796.13/852,522.84 - Step 6: Final answer
x = 642,139.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.