Finding the Fourth Proportional to 810,723.08, 1,118,779.98 and 448,133
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Solution
The fourth proportional to 810,723.08, 1,118,779.98 and 448,133 is: 618,413.66
Step by Step Solution
- Step 1: Write the proportion equation
810,723.08 : 1,118,779.98 = 448,133 : x - Step 2: Convert to fraction form
810,723.08/1,118,779.98 = 448,133/x - Step 3: Cross multiply
810,723.08x = 1,118,779.98 × 448,133 - Step 4: Simplify right side
810,723.08x = 501,362,228,777.34 - Step 5: Solve for x
x = 501,362,228,777.34/810,723.08 - Step 6: Final answer
x = 618,413.66
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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.