Finding the Fourth Proportional to 838,680.44, 1,157,392.80 and 476,115
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Solution
The fourth proportional to 838,680.44, 1,157,392.80 and 476,115 is: 657,046.53
Step by Step Solution
- Step 1: Write the proportion equation
838,680.44 : 1,157,392.80 = 476,115 : x - Step 2: Convert to fraction form
838,680.44/1,157,392.80 = 476,115/x - Step 3: Cross multiply
838,680.44x = 1,157,392.80 × 476,115 - Step 4: Simplify right side
838,680.44x = 551,052,072,972 - Step 5: Solve for x
x = 551,052,072,972/838,680.44 - Step 6: Final answer
x = 657,046.53
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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.