Finding the Fourth Proportional to 743,494.76, 1,026,032.10 and 403,968.68
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Solution
The fourth proportional to 743,494.76, 1,026,032.10 and 403,968.68 is: 557,481.85
Step by Step Solution
- Step 1: Write the proportion equation
743,494.76 : 1,026,032.10 = 403,968.68 : x - Step 2: Convert to fraction form
743,494.76/1,026,032.10 = 403,968.68/x - Step 3: Cross multiply
743,494.76x = 1,026,032.10 × 403,968.68 - Step 4: Simplify right side
743,494.76x = 414,484,833,074.63 - Step 5: Solve for x
x = 414,484,833,074.63/743,494.76 - Step 6: Final answer
x = 557,481.85
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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.