Finding the Fourth Proportional to 979,729.68, 1,470,046.50 and 447,413.88
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Solution
The fourth proportional to 979,729.68, 1,470,046.50 and 447,413.88 is: 671,327.23
Step by Step Solution
- Step 1: Write the proportion equation
979,729.68 : 1,470,046.50 = 447,413.88 : x - Step 2: Convert to fraction form
979,729.68/1,470,046.50 = 447,413.88/x - Step 3: Cross multiply
979,729.68x = 1,470,046.50 × 447,413.88 - Step 4: Simplify right side
979,729.68x = 657,719,208,345.42 - Step 5: Solve for x
x = 657,719,208,345.42/979,729.68 - Step 6: Final answer
x = 671,327.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.