Finding the Fourth Proportional to 554,785.04, 765,413.16 and 313,037.84
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Solution
The fourth proportional to 554,785.04, 765,413.16 and 313,037.84 is: 431,884.90
Step by Step Solution
- Step 1: Write the proportion equation
554,785.04 : 765,413.16 = 313,037.84 : x - Step 2: Convert to fraction form
554,785.04/765,413.16 = 313,037.84/x - Step 3: Cross multiply
554,785.04x = 765,413.16 × 313,037.84 - Step 4: Simplify right side
554,785.04x = 239,603,282,313.97 - Step 5: Solve for x
x = 239,603,282,313.97/554,785.04 - Step 6: Final answer
x = 431,884.90
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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.