Finding the Fourth Proportional to 838,783.98, 1,157,554.62 and 476,241.57
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Solution
The fourth proportional to 838,783.98, 1,157,554.62 and 476,241.57 is: 657,231.95
Step by Step Solution
- Step 1: Write the proportion equation
838,783.98 : 1,157,554.62 = 476,241.57 : x - Step 2: Convert to fraction form
838,783.98/1,157,554.62 = 476,241.57/x - Step 3: Cross multiply
838,783.98x = 1,157,554.62 × 476,241.57 - Step 4: Simplify right side
838,783.98x = 551,275,629,589.55 - Step 5: Solve for x
x = 551,275,629,589.55/838,783.98 - Step 6: Final answer
x = 657,231.95
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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.