Finding the Fourth Proportional to 634,357.08, 875,413.98 and 347,879.28
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Solution
The fourth proportional to 634,357.08, 875,413.98 and 347,879.28 is: 480,074.07
Step by Step Solution
- Step 1: Write the proportion equation
634,357.08 : 875,413.98 = 347,879.28 : x - Step 2: Convert to fraction form
634,357.08/875,413.98 = 347,879.28/x - Step 3: Cross multiply
634,357.08x = 875,413.98 × 347,879.28 - Step 4: Simplify right side
634,357.08x = 304,538,385,064.33 - Step 5: Solve for x
x = 304,538,385,064.33/634,357.08 - Step 6: Final answer
x = 480,074.07
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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.