Finding the Fourth Proportional to 624,744.20, 936,897.60 and 325,125.20
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Solution
The fourth proportional to 624,744.20, 936,897.60 and 325,125.20 is: 487,573.99
Step by Step Solution
- Step 1: Write the proportion equation
624,744.20 : 936,897.60 = 325,125.20 : x - Step 2: Convert to fraction form
624,744.20/936,897.60 = 325,125.20/x - Step 3: Cross multiply
624,744.20x = 936,897.60 × 325,125.20 - Step 4: Simplify right side
624,744.20x = 304,609,019,579.52 - Step 5: Solve for x
x = 304,609,019,579.52/624,744.20 - Step 6: Final answer
x = 487,573.99
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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.