Finding the Fourth Proportional to 579,609.20, 869,413.80 and 295,299.20
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Solution
The fourth proportional to 579,609.20, 869,413.80 and 295,299.20 is: 442,948.80
Step by Step Solution
- Step 1: Write the proportion equation
579,609.20 : 869,413.80 = 295,299.20 : x - Step 2: Convert to fraction form
579,609.20/869,413.80 = 295,299.20/x - Step 3: Cross multiply
579,609.20x = 869,413.80 × 295,299.20 - Step 4: Simplify right side
579,609.20x = 256,737,199,608.96 - Step 5: Solve for x
x = 256,737,199,608.96/579,609.20 - Step 6: Final answer
x = 442,948.80
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Similar ratio
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1.5x scale
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.