Finding the Fourth Proportional to 557,331.70, 769,122.26 and 302,684.71
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Solution
The fourth proportional to 557,331.70, 769,122.26 and 302,684.71 is: 417,707.35
Step by Step Solution
- Step 1: Write the proportion equation
557,331.70 : 769,122.26 = 302,684.71 : x - Step 2: Convert to fraction form
557,331.70/769,122.26 = 302,684.71/x - Step 3: Cross multiply
557,331.70x = 769,122.26 × 302,684.71 - Step 4: Simplify right side
557,331.70x = 232,801,546,299.84 - Step 5: Solve for x
x = 232,801,546,299.84/557,331.70 - Step 6: Final answer
x = 417,707.35
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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.