Finding the Fourth Proportional to 557,473.49, 769,244.80 and 339,603.08
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Solution
The fourth proportional to 557,473.49, 769,244.80 and 339,603.08 is: 468,610.45
Step by Step Solution
- Step 1: Write the proportion equation
557,473.49 : 769,244.80 = 339,603.08 : x - Step 2: Convert to fraction form
557,473.49/769,244.80 = 339,603.08/x - Step 3: Cross multiply
557,473.49x = 769,244.80 × 339,603.08 - Step 4: Simplify right side
557,473.49x = 261,237,903,622.51 - Step 5: Solve for x
x = 261,237,903,622.51/557,473.49 - Step 6: Final answer
x = 468,610.45
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1.5x scale
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.