Finding the Fourth Proportional to 798,654.99, 1,102,188.52 and 436,112.49
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Solution
The fourth proportional to 798,654.99, 1,102,188.52 and 436,112.49 is: 601,859.61
Step by Step Solution
- Step 1: Write the proportion equation
798,654.99 : 1,102,188.52 = 436,112.49 : x - Step 2: Convert to fraction form
798,654.99/1,102,188.52 = 436,112.49/x - Step 3: Cross multiply
798,654.99x = 1,102,188.52 × 436,112.49 - Step 4: Simplify right side
798,654.99x = 480,678,177,726.05 - Step 5: Solve for x
x = 480,678,177,726.05/798,654.99 - Step 6: Final answer
x = 601,859.61
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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.