Finding the Fourth Proportional to 686,027.92, 1,029,413.64 and 286,703.80
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Solution
The fourth proportional to 686,027.92, 1,029,413.64 and 286,703.80 is: 430,211.07
Step by Step Solution
- Step 1: Write the proportion equation
686,027.92 : 1,029,413.64 = 286,703.80 : x - Step 2: Convert to fraction form
686,027.92/1,029,413.64 = 286,703.80/x - Step 3: Cross multiply
686,027.92x = 1,029,413.64 × 286,703.80 - Step 4: Simplify right side
686,027.92x = 295,136,802,359.83 - Step 5: Solve for x
x = 295,136,802,359.83/686,027.92 - Step 6: Final answer
x = 430,211.07
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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.