Finding the Fourth Proportional to 743,828.68, 1,026,490.35 and 404,297.74
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Solution
The fourth proportional to 743,828.68, 1,026,490.35 and 404,297.74 is: 557,934.56
Step by Step Solution
- Step 1: Write the proportion equation
743,828.68 : 1,026,490.35 = 404,297.74 : x - Step 2: Convert to fraction form
743,828.68/1,026,490.35 = 404,297.74/x - Step 3: Cross multiply
743,828.68x = 1,026,490.35 × 404,297.74 - Step 4: Simplify right side
743,828.68x = 415,007,728,636.81 - Step 5: Solve for x
x = 415,007,728,636.81/743,828.68 - Step 6: Final answer
x = 557,934.56
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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.