Finding the Fourth Proportional to 902,649.36, 1,245,644.97 and 489,177.26
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Solution
The fourth proportional to 902,649.36, 1,245,644.97 and 489,177.26 is: 675,058.57
Step by Step Solution
- Step 1: Write the proportion equation
902,649.36 : 1,245,644.97 = 489,177.26 : x - Step 2: Convert to fraction form
902,649.36/1,245,644.97 = 489,177.26/x - Step 3: Cross multiply
902,649.36x = 1,245,644.97 × 489,177.26 - Step 4: Simplify right side
902,649.36x = 609,341,187,129.16 - Step 5: Solve for x
x = 609,341,187,129.16/902,649.36 - Step 6: Final answer
x = 675,058.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.