Finding the Fourth Proportional to 900,336.36, 1,242,496.26 and 492,413.88
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Solution
The fourth proportional to 900,336.36, 1,242,496.26 and 492,413.88 is: 679,548.70
Step by Step Solution
- Step 1: Write the proportion equation
900,336.36 : 1,242,496.26 = 492,413.88 : x - Step 2: Convert to fraction form
900,336.36/1,242,496.26 = 492,413.88/x - Step 3: Cross multiply
900,336.36x = 1,242,496.26 × 492,413.88 - Step 4: Simplify right side
900,336.36x = 611,822,404,272.09 - Step 5: Solve for x
x = 611,822,404,272.09/900,336.36 - Step 6: Final answer
x = 679,548.70
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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.