Finding the Fourth Proportional to 557,334.36, 769,123.62 and 302,689.80
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Solution
The fourth proportional to 557,334.36, 769,123.62 and 302,689.80 is: 417,713.12
Step by Step Solution
- Step 1: Write the proportion equation
557,334.36 : 769,123.62 = 302,689.80 : x - Step 2: Convert to fraction form
557,334.36/769,123.62 = 302,689.80/x - Step 3: Cross multiply
557,334.36x = 769,123.62 × 302,689.80 - Step 4: Simplify right side
557,334.36x = 232,805,874,713.08 - Step 5: Solve for x
x = 232,805,874,713.08/557,334.36 - Step 6: Final answer
x = 417,713.12
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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.