Finding the Fourth Proportional to 557,327.79, 769,116.87 and 302,680.80
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Solution
The fourth proportional to 557,327.79, 769,116.87 and 302,680.80 is: 417,701.96
Step by Step Solution
- Step 1: Write the proportion equation
557,327.79 : 769,116.87 = 302,680.80 : x - Step 2: Convert to fraction form
557,327.79/769,116.87 = 302,680.80/x - Step 3: Cross multiply
557,327.79x = 769,116.87 × 302,680.80 - Step 4: Simplify right side
557,327.79x = 232,796,909,505.10 - Step 5: Solve for x
x = 232,796,909,505.10/557,327.79 - Step 6: Final answer
x = 417,701.96
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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.