Finding the Fourth Proportional to 852,477.66, 1,176,413.36 and 470,504.48
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Solution
The fourth proportional to 852,477.66, 1,176,413.36 and 470,504.48 is: 649,292.97
Step by Step Solution
- Step 1: Write the proportion equation
852,477.66 : 1,176,413.36 = 470,504.48 : x - Step 2: Convert to fraction form
852,477.66/1,176,413.36 = 470,504.48/x - Step 3: Cross multiply
852,477.66x = 1,176,413.36 × 470,504.48 - Step 4: Simplify right side
852,477.66x = 553,507,747,977.26 - Step 5: Solve for x
x = 553,507,747,977.26/852,477.66 - Step 6: Final answer
x = 649,292.97
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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.