Finding the Fourth Proportional to 738,104.92, 1,018,374.06 and 415,702.24
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Solution
The fourth proportional to 738,104.92, 1,018,374.06 and 415,702.24 is: 573,550.41
Step by Step Solution
- Step 1: Write the proportion equation
738,104.92 : 1,018,374.06 = 415,702.24 : x - Step 2: Convert to fraction form
738,104.92/1,018,374.06 = 415,702.24/x - Step 3: Cross multiply
738,104.92x = 1,018,374.06 × 415,702.24 - Step 4: Simplify right side
738,104.92x = 423,340,377,899.89 - Step 5: Solve for x
x = 423,340,377,899.89/738,104.92 - Step 6: Final answer
x = 573,550.41
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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.