Finding the Fourth Proportional to 939,898.49, 1,410,077.36 and 300,202.35
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Solution
The fourth proportional to 939,898.49, 1,410,077.36 and 300,202.35 is: 450,376.87
Step by Step Solution
- Step 1: Write the proportion equation
939,898.49 : 1,410,077.36 = 300,202.35 : x - Step 2: Convert to fraction form
939,898.49/1,410,077.36 = 300,202.35/x - Step 3: Cross multiply
939,898.49x = 1,410,077.36 × 300,202.35 - Step 4: Simplify right side
939,898.49x = 423,308,540,548.20 - Step 5: Solve for x
x = 423,308,540,548.20/939,898.49 - Step 6: Final answer
x = 450,376.87
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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.