Finding the Fourth Proportional to 743,840, 1,026,495.36 and 404,310.08
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Solution
The fourth proportional to 743,840, 1,026,495.36 and 404,310.08 is: 557,945.82
Step by Step Solution
- Step 1: Write the proportion equation
743,840 : 1,026,495.36 = 404,310.08 : x - Step 2: Convert to fraction form
743,840/1,026,495.36 = 404,310.08/x - Step 3: Cross multiply
743,840x = 1,026,495.36 × 404,310.08 - Step 4: Simplify right side
743,840x = 415,022,421,121.23 - Step 5: Solve for x
x = 415,022,421,121.23/743,840 - Step 6: Final answer
x = 557,945.82
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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.