Finding the Fourth Proportional to 557,460.70, 769,282.85 and 324,872.81
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Solution
The fourth proportional to 557,460.70, 769,282.85 and 324,872.81 is: 448,316.95
Step by Step Solution
- Step 1: Write the proportion equation
557,460.70 : 769,282.85 = 324,872.81 : x - Step 2: Convert to fraction form
557,460.70/769,282.85 = 324,872.81/x - Step 3: Cross multiply
557,460.70x = 769,282.85 × 324,872.81 - Step 4: Simplify right side
557,460.70x = 249,919,081,164.31 - Step 5: Solve for x
x = 249,919,081,164.31/557,460.70 - Step 6: Final answer
x = 448,316.95
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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.