Finding the Fourth Proportional to 955,830.80, 1,431,413.40 and 456,611.60
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Solution
The fourth proportional to 955,830.80, 1,431,413.40 and 456,611.60 is: 683,802.99
Step by Step Solution
- Step 1: Write the proportion equation
955,830.80 : 1,431,413.40 = 456,611.60 : x - Step 2: Convert to fraction form
955,830.80/1,431,413.40 = 456,611.60/x - Step 3: Cross multiply
955,830.80x = 1,431,413.40 × 456,611.60 - Step 4: Simplify right side
955,830.80x = 653,599,962,835.44 - Step 5: Solve for x
x = 653,599,962,835.44/955,830.80 - Step 6: Final answer
x = 683,802.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.