Finding the Fourth Proportional to 738,296.70, 1,107,445.05 and 239,660.70
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Solution
The fourth proportional to 738,296.70, 1,107,445.05 and 239,660.70 is: 359,491.05
Step by Step Solution
- Step 1: Write the proportion equation
738,296.70 : 1,107,445.05 = 239,660.70 : x - Step 2: Convert to fraction form
738,296.70/1,107,445.05 = 239,660.70/x - Step 3: Cross multiply
738,296.70x = 1,107,445.05 × 239,660.70 - Step 4: Simplify right side
738,296.70x = 265,411,055,894.54 - Step 5: Solve for x
x = 265,411,055,894.54/738,296.70 - Step 6: Final answer
x = 359,491.05
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Similar ratio
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1.5x scale
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.