Finding the Fourth Proportional to 738,103.92, 1,018,372.68 and 415,701.24
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Solution
The fourth proportional to 738,103.92, 1,018,372.68 and 415,701.24 is: 573,549.03
Step by Step Solution
- Step 1: Write the proportion equation
738,103.92 : 1,018,372.68 = 415,701.24 : x - Step 2: Convert to fraction form
738,103.92/1,018,372.68 = 415,701.24/x - Step 3: Cross multiply
738,103.92x = 1,018,372.68 × 415,701.24 - Step 4: Simplify right side
738,103.92x = 423,338,785,858.12 - Step 5: Solve for x
x = 423,338,785,858.12/738,103.92 - Step 6: Final answer
x = 573,549.03
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1.5x scale
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.