Finding the Fourth Proportional to 509,882.11, 703,637.90 and 283,522.75
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Solution
The fourth proportional to 509,882.11, 703,637.90 and 283,522.75 is: 391,261.72
Step by Step Solution
- Step 1: Write the proportion equation
509,882.11 : 703,637.90 = 283,522.75 : x - Step 2: Convert to fraction form
509,882.11/703,637.90 = 283,522.75/x - Step 3: Cross multiply
509,882.11x = 703,637.90 × 283,522.75 - Step 4: Simplify right side
509,882.11x = 199,497,352,412.23 - Step 5: Solve for x
x = 199,497,352,412.23/509,882.11 - Step 6: Final answer
x = 391,261.72
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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.