Finding the Fourth Proportional to 902,357.85, 1,245,135.44 and 539,649.38
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Solution
The fourth proportional to 902,357.85, 1,245,135.44 and 539,649.38 is: 744,645.33
Step by Step Solution
- Step 1: Write the proportion equation
902,357.85 : 1,245,135.44 = 539,649.38 : x - Step 2: Convert to fraction form
902,357.85/1,245,135.44 = 539,649.38/x - Step 3: Cross multiply
902,357.85x = 1,245,135.44 × 539,649.38 - Step 4: Simplify right side
902,357.85x = 671,936,559,288.10 - Step 5: Solve for x
x = 671,936,559,288.10/902,357.85 - Step 6: Final answer
x = 744,645.33
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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.