Finding the Fourth Proportional to 726,795.81, 1,088,994 and 422,335.26
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Solution
The fourth proportional to 726,795.81, 1,088,994 and 422,335.26 is: 632,805.75
Step by Step Solution
- Step 1: Write the proportion equation
726,795.81 : 1,088,994 = 422,335.26 : x - Step 2: Convert to fraction form
726,795.81/1,088,994 = 422,335.26/x - Step 3: Cross multiply
726,795.81x = 1,088,994 × 422,335.26 - Step 4: Simplify right side
726,795.81x = 459,920,564,128.44 - Step 5: Solve for x
x = 459,920,564,128.44/726,795.81 - Step 6: Final answer
x = 632,805.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.